/*!
 * jQuery JavaScript Library v2.0.3
 * http://jquery.com/
 *
 * Includes Sizzle.js
 * http://sizzlejs.com/
 *
 * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
 * Released under the MIT license
 * http://jquery.org/license
 *
 * Date: 2013-07-03T13:30Z
 */
(function(window, undefined) {

	// Can't do this because several apps including ASP.NET trace
	// the stack via arguments.caller.callee and Firefox dies if
	// you try to trace through "use strict" call chains. (#13335)
	// Support: Firefox 18+
	//"use strict";
	var
	// A central reference to the root jQuery(document)
		rootjQuery,

		// The deferred used on DOM ready
		readyList,

		// Support: IE9
		// For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
		core_strundefined = typeof undefined,

		// Use the correct document accordingly with window argument (sandbox)
		location = window.location,
		document = window.document,
		docElem = document.documentElement,

		// Map over jQuery in case of overwrite
		_jQuery = window.jQuery,

		// Map over the $ in case of overwrite
		_$ = window.$,

		// [[Class]] -> type pairs
		class2type = {},

		// List of deleted data cache ids, so we can reuse them
		core_deletedIds = [],

		core_version = "2.0.3",

		// Save a reference to some core methods
		core_concat = core_deletedIds.concat,
		core_push = core_deletedIds.push,
		core_slice = core_deletedIds.slice,
		core_indexOf = core_deletedIds.indexOf,
		core_toString = class2type.toString,
		core_hasOwn = class2type.hasOwnProperty,
		core_trim = core_version.trim,

		// Define a local copy of jQuery
		jQuery = function(selector, context) {
			// The jQuery object is actually just the init constructor 'enhanced'
			return new jQuery.fn.init(selector, context, rootjQuery);
		},

		// Used for matching numbers
		core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,

		// Used for splitting on whitespace
		core_rnotwhite = /\S+/g,

		// A simple way to check for HTML strings
		// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
		// Strict HTML recognition (#11290: must start with <)
		rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,

		// Match a standalone tag
		rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,

		// Matches dashed string for camelizing
		rmsPrefix = /^-ms-/,
		rdashAlpha = /-([\da-z])/gi,

		// Used by jQuery.camelCase as callback to replace()
		fcamelCase = function(all, letter) {
			return letter.toUpperCase();
		},

		// The ready event handler and self cleanup method
		completed = function() {
			document.removeEventListener("DOMContentLoaded", completed, false);
			window.removeEventListener("load", completed, false);
			jQuery.ready();
		};

	jQuery.fn = jQuery.prototype = {
		// The current version of jQuery being used
		jquery: core_version,

		constructor: jQuery,

		init: function(selector, context, rootjQuery) {
			var match, elem;

			// HANDLE: $(""), $(null), $(undefined), $(false)
			if(!selector) {
				return this;
			}

			// Handle HTML strings
			if(typeof selector === "string") {
				if(selector.charAt(0) === "<" && selector.charAt(selector.length - 1) === ">" && selector.length >= 3) {
					// Assume that strings that start and end with <> are HTML and skip the regex check
					match = [null, selector, null];

				} else {
					match = rquickExpr.exec(selector);
				}

				// Match html or make sure no context is specified for #id
				if(match && (match[1] || !context)) {

					// HANDLE: $(html) -> $(array)
					if(match[1]) {
						context = context instanceof jQuery ? context[0] : context;

						var aaa = jQuery.parseHTML(
							match[1],
							context && context.nodeType ? context.ownerDocument || context : document,
							true
						)

						// scripts is true for back-compat
						jQuery.merge(this, aaa);

						// HANDLE: $(html, props)
						if(rsingleTag.test(match[1]) && jQuery.isPlainObject(context)) {
							for(match in context) {
								// Properties of context are called as methods if possible
								if(jQuery.isFunction(this[match])) {
									this[match](context[match]);

									// ...and otherwise set as attributes
								} else {
									this.attr(match, context[match]);
								}
							}
						}

						return this;

						// HANDLE: $(#id)
					} else {
						elem = document.getElementById(match[2]);

						// Check parentNode to catch when Blackberry 4.6 returns
						// nodes that are no longer in the document #6963
						if(elem && elem.parentNode) {
							// Inject the element directly into the jQuery object
							this.length = 1;
							this[0] = elem;
						}

						this.context = document;
						this.selector = selector;
						return this;
					}

					// HANDLE: $(expr, $(...))
				} else if(!context || context.jquery) {
					return(context || rootjQuery).find(selector);

					// HANDLE: $(expr, context)
					// (which is just equivalent to: $(context).find(expr)
				} else {
					return this.constructor(context).find(selector);
				}

				// HANDLE: $(DOMElement)
			} else if(selector.nodeType) {
				this.context = this[0] = selector;
				this.length = 1;
				return this;

				// HANDLE: $(function)
				// Shortcut for document ready
			} else if(jQuery.isFunction(selector)) {
				return rootjQuery.ready(selector);
			}

			if(selector.selector !== undefined) {
				this.selector = selector.selector;
				this.context = selector.context;
			}

			return jQuery.makeArray(selector, this);
		},

		// Start with an empty selector
		selector: "",

		// The default length of a jQuery object is 0
		length: 0,

		toArray: function() {
			return core_slice.call(this);
		},

		// Get the Nth element in the matched element set OR
		// Get the whole matched element set as a clean array
		get: function(num) {
			return num == null ?

				// Return a 'clean' array
				this.toArray() :

				// Return just the object
				(num < 0 ? this[this.length + num] : this[num]);
		},

		// Take an array of elements and push it onto the stack
		// (returning the new matched element set)
		pushStack: function(elems) {

			// Build a new jQuery matched element set
			var ret = jQuery.merge(this.constructor(), elems);

			// Add the old object onto the stack (as a reference)
			ret.prevObject = this;
			ret.context = this.context;

			// Return the newly-formed element set
			return ret;
		},

		// Execute a callback for every element in the matched set.
		// (You can seed the arguments with an array of args, but this is
		// only used internally.)
		each: function(callback, args) {
			return jQuery.each(this, callback, args);
		},

		ready: function(fn) {
			// Add the callback
			jQuery.ready.promise().done(fn);

			return this;
		},

		slice: function() {
			return this.pushStack(core_slice.apply(this, arguments));
		},

		first: function() {
			return this.eq(0);
		},

		last: function() {
			return this.eq(-1);
		},

		eq: function(i) {
			var len = this.length,
				j = +i + (i < 0 ? len : 0);
			return this.pushStack(j >= 0 && j < len ? [this[j]] : []);
		},

		map: function(callback) {
			return this.pushStack(jQuery.map(this, function(elem, i) {
				return callback.call(elem, i, elem);
			}));
		},

		end: function() {
			return this.prevObject || this.constructor(null);
		},

		// For internal use only.
		// Behaves like an Array's method, not like a jQuery method.
		push: core_push,
		sort: [].sort,
		splice: [].splice
	};

	// Give the init function the jQuery prototype for later instantiation
	jQuery.fn.init.prototype = jQuery.fn;

	jQuery.extend = jQuery.fn.extend = function() {
		var options, name, src, copy, copyIsArray, clone,
			target = arguments[0] || {},
			i = 1,
			length = arguments.length,
			deep = false;

		// Handle a deep copy situation
		if(typeof target === "boolean") {
			deep = target;
			target = arguments[1] || {};
			// skip the boolean and the target
			i = 2;
		}

		// Handle case when target is a string or something (possible in deep copy)
		if(typeof target !== "object" && !jQuery.isFunction(target)) {
			target = {};
		}

		// extend jQuery itself if only one argument is passed
		if(length === i) {
			target = this;
			--i;
		}

		for(; i < length; i++) {
			// Only deal with non-null/undefined values
			if((options = arguments[i]) != null) {
				// Extend the base object
				for(name in options) {
					src = target[name];
					copy = options[name];

					// Prevent never-ending loop
					if(target === copy) {
						continue;
					}

					// Recurse if we're merging plain objects or arrays
					if(deep && copy && (jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)))) {
						if(copyIsArray) {
							copyIsArray = false;
							clone = src && jQuery.isArray(src) ? src : [];

						} else {
							clone = src && jQuery.isPlainObject(src) ? src : {};
						}

						// Never move original objects, clone them
						target[name] = jQuery.extend(deep, clone, copy);

						// Don't bring in undefined values
					} else if(copy !== undefined) {
						target[name] = copy;
					}
				}
			}
		}

		// Return the modified object
		return target;
	};

	jQuery.extend({
		// Unique for each copy of jQuery on the page
		expando: "jQuery" + (core_version + Math.random()).replace(/\D/g, ""),

		noConflict: function(deep) {
			if(window.$ === jQuery) {
				window.$ = _$;
			}

			if(deep && window.jQuery === jQuery) {
				window.jQuery = _jQuery;
			}

			return jQuery;
		},

		// Is the DOM ready to be used? Set to true once it occurs.
		isReady: false,

		// A counter to track how many items to wait for before
		// the ready event fires. See #6781
		readyWait: 1,

		// Hold (or release) the ready event
		holdReady: function(hold) {
			if(hold) {
				jQuery.readyWait++;
			} else {
				jQuery.ready(true);
			}
		},

		// Handle when the DOM is ready
		ready: function(wait) {

			// Abort if there are pending holds or we're already ready
			if(wait === true ? --jQuery.readyWait : jQuery.isReady) {
				return;
			}

			// Remember that the DOM is ready
			jQuery.isReady = true;

			// If a normal DOM Ready event fired, decrement, and wait if need be
			if(wait !== true && --jQuery.readyWait > 0) {
				return;
			}

			// If there are functions bound, to execute
			readyList.resolveWith(document, [jQuery]);

			// Trigger any bound ready events
			if(jQuery.fn.trigger) {
				jQuery(document).trigger("ready").off("ready");
			}
		},

		// See test/unit/core.js for details concerning isFunction.
		// Since version 1.3, DOM methods and functions like alert
		// aren't supported. They return false on IE (#2968).
		isFunction: function(obj) {
			return jQuery.type(obj) === "function";
		},

		isArray: Array.isArray,

		isWindow: function(obj) {
			return obj != null && obj === obj.window;
		},

		isNumeric: function(obj) {
			return !isNaN(parseFloat(obj)) && isFinite(obj);
		},

		type: function(obj) {
			if(obj == null) {
				return String(obj);
			}
			// Support: Safari <= 5.1 (functionish RegExp)
			return typeof obj === "object" || typeof obj === "function" ?
				class2type[core_toString.call(obj)] || "object" :
				typeof obj;
		},

		isPlainObject: function(obj) {
			// Not plain objects:
			// - Any object or value whose internal [[Class]] property is not "[object Object]"
			// - DOM nodes
			// - window
			if(jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow(obj)) {
				return false;
			}

			// Support: Firefox <20
			// The try/catch suppresses exceptions thrown when attempting to access
			// the "constructor" property of certain host objects, ie. |window.location|
			// https://bugzilla.mozilla.org/show_bug.cgi?id=814622
			try {
				if(obj.constructor &&
					!core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
					return false;
				}
			} catch(e) {
				return false;
			}

			// If the function hasn't returned already, we're confident that
			// |obj| is a plain object, created by {} or constructed with new Object
			return true;
		},

		isEmptyObject: function(obj) {
			var name;
			for(name in obj) {
				return false;
			}
			return true;
		},

		error: function(msg) {
			throw new Error(msg);
		},

		// data: string of html
		// context (optional): If specified, the fragment will be created in this context, defaults to document
		// keepScripts (optional): If true, will include scripts passed in the html string
		parseHTML: function(data, context, keepScripts) {
			if(!data || typeof data !== "string") {
				return null;
			}
			if(typeof context === "boolean") {
				keepScripts = context;
				context = false;
			}

			context = context || document;

			var parsed = rsingleTag.exec(data),
				scripts = !keepScripts && [];

			// Single tag
			if(parsed) {
				return [context.createElement(parsed[1])];
			}

			parsed = jQuery.buildFragment([data], context, scripts);

			if(scripts) {
				jQuery(scripts).remove();
			}

			return jQuery.merge([], parsed.childNodes);
		},

		parseJSON: JSON.parse,

		// Cross-browser xml parsing
		parseXML: function(data) {
			var xml, tmp;
			if(!data || typeof data !== "string") {
				return null;
			}

			// Support: IE9
			try {
				tmp = new DOMParser();
				xml = tmp.parseFromString(data, "text/xml");
			} catch(e) {
				xml = undefined;
			}

			if(!xml || xml.getElementsByTagName("parsererror").length) {
				jQuery.error("Invalid XML: " + data);
			}
			return xml;
		},

		noop: function() {},

		// Evaluates a script in a global context
		globalEval: function(code) {
			var script,
				indirect = eval;

			code = jQuery.trim(code);

			if(code) {
				// If the code includes a valid, prologue position
				// strict mode pragma, execute code by injecting a
				// script tag into the document.
				if(code.indexOf("use strict") === 1) {
					script = document.createElement("script");
					script.text = code;
					document.head.appendChild(script).parentNode.removeChild(script);
				} else {
					// Otherwise, avoid the DOM node creation, insertion
					// and removal by using an indirect global eval
					indirect(code);
				}
			}
		},

		// Convert dashed to camelCase; used by the css and data modules
		// Microsoft forgot to hump their vendor prefix (#9572)
		camelCase: function(string) {
			return string.replace(rmsPrefix, "ms-").replace(rdashAlpha, fcamelCase);
		},

		nodeName: function(elem, name) {
			return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
		},

		// args is for internal usage only
		each: function(obj, callback, args) {
			var value,
				i = 0,
				length = obj.length,
				isArray = isArraylike(obj);

			if(args) {
				if(isArray) {
					for(; i < length; i++) {
						value = callback.apply(obj[i], args);

						if(value === false) {
							break;
						}
					}
				} else {
					for(i in obj) {
						value = callback.apply(obj[i], args);

						if(value === false) {
							break;
						}
					}
				}

				// A special, fast, case for the most common use of each
			} else {
				if(isArray) {
					for(; i < length; i++) {
						value = callback.call(obj[i], i, obj[i]);

						if(value === false) {
							break;
						}
					}
				} else {
					for(i in obj) {
						value = callback.call(obj[i], i, obj[i]);

						if(value === false) {
							break;
						}
					}
				}
			}

			return obj;
		},

		trim: function(text) {
			return text == null ? "" : core_trim.call(text);
		},

		// results is for internal usage only
		makeArray: function(arr, results) {
			var ret = results || [];

			if(arr != null) {
				if(isArraylike(Object(arr))) {
					jQuery.merge(ret,
						typeof arr === "string" ? [arr] : arr
					);
				} else {
					core_push.call(ret, arr);
				}
			}

			return ret;
		},

		inArray: function(elem, arr, i) {
			return arr == null ? -1 : core_indexOf.call(arr, elem, i);
		},

		merge: function(first, second) {
			var l = second.length,
				i = first.length,
				j = 0;

			if(typeof l === "number") {
				for(; j < l; j++) {
					first[i++] = second[j];
				}
			} else {
				while(second[j] !== undefined) {
					first[i++] = second[j++];
				}
			}

			first.length = i;

			return first;
		},

		grep: function(elems, callback, inv) {
			var retVal,
				ret = [],
				i = 0,
				length = elems.length;
			inv = !!inv;

			// Go through the array, only saving the items
			// that pass the validator function
			for(; i < length; i++) {
				retVal = !!callback(elems[i], i);
				if(inv !== retVal) {
					ret.push(elems[i]);
				}
			}

			return ret;
		},

		// arg is for internal usage only
		map: function(elems, callback, arg) {
			var value,
				i = 0,
				length = elems.length,
				isArray = isArraylike(elems),
				ret = [];

			// Go through the array, translating each of the items to their
			if(isArray) {
				for(; i < length; i++) {
					value = callback(elems[i], i, arg);

					if(value != null) {
						ret[ret.length] = value;
					}
				}

				// Go through every key on the object,
			} else {
				for(i in elems) {
					value = callback(elems[i], i, arg);

					if(value != null) {
						ret[ret.length] = value;
					}
				}
			}

			// Flatten any nested arrays
			return core_concat.apply([], ret);
		},

		// A global GUID counter for objects
		guid: 1,

		// Bind a function to a context, optionally partially applying any
		// arguments.
		proxy: function(fn, context) {
			var tmp, args, proxy;

			if(typeof context === "string") {
				tmp = fn[context];
				context = fn;
				fn = tmp;
			}

			// Quick check to determine if target is callable, in the spec
			// this throws a TypeError, but we will just return undefined.
			if(!jQuery.isFunction(fn)) {
				return undefined;
			}

			// Simulated bind
			args = core_slice.call(arguments, 2);
			proxy = function() {
				return fn.apply(context || this, args.concat(core_slice.call(arguments)));
			};

			// Set the guid of unique handler to the same of original handler, so it can be removed
			proxy.guid = fn.guid = fn.guid || jQuery.guid++;

			return proxy;
		},

		// Multifunctional method to get and set values of a collection
		// The value/s can optionally be executed if it's a function
		access: function(elems, fn, key, value, chainable, emptyGet, raw) {
			var i = 0,
				length = elems.length,
				bulk = key == null;

			// Sets many values
			if(jQuery.type(key) === "object") {
				chainable = true;
				for(i in key) {
					jQuery.access(elems, fn, i, key[i], true, emptyGet, raw);
				}

				// Sets one value
			} else if(value !== undefined) {
				chainable = true;

				if(!jQuery.isFunction(value)) {
					raw = true;
				}

				if(bulk) {
					// Bulk operations run against the entire set
					if(raw) {
						fn.call(elems, value);
						fn = null;

						// ...except when executing function values
					} else {
						bulk = fn;
						fn = function(elem, key, value) {
							return bulk.call(jQuery(elem), value);
						};
					}
				}

				if(fn) {
					for(; i < length; i++) {
						fn(elems[i], key, raw ? value : value.call(elems[i], i, fn(elems[i], key)));
					}
				}
			}

			return chainable ?
				elems :

				// Gets
				bulk ?
				fn.call(elems) :
				length ? fn(elems[0], key) : emptyGet;
		},

		now: Date.now,

		// A method for quickly swapping in/out CSS properties to get correct calculations.
		// Note: this method belongs to the css module but it's needed here for the support module.
		// If support gets modularized, this method should be moved back to the css module.
		swap: function(elem, options, callback, args) {
			var ret, name,
				old = {};

			// Remember the old values, and insert the new ones
			for(name in options) {
				old[name] = elem.style[name];
				elem.style[name] = options[name];
			}

			ret = callback.apply(elem, args || []);

			// Revert the old values
			for(name in options) {
				elem.style[name] = old[name];
			}

			return ret;
		}
	});

	jQuery.ready.promise = function(obj) {
		if(!readyList) {

			readyList = jQuery.Deferred();

			// Catch cases where $(document).ready() is called after the browser event has already occurred.
			// we once tried to use readyState "interactive" here, but it caused issues like the one
			// discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
			if(document.readyState === "complete") {
				// Handle it asynchronously to allow scripts the opportunity to delay ready
				setTimeout(jQuery.ready);

			} else {

				// Use the handy event callback
				document.addEventListener("DOMContentLoaded", completed, false);

				// A fallback to window.onload, that will always work
				window.addEventListener("load", completed, false);
			}
		}
		return readyList.promise(obj);
	};

	// Populate the class2type map
	jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
		class2type["[object " + name + "]"] = name.toLowerCase();
	});

	function isArraylike(obj) {
		var length = obj.length,
			type = jQuery.type(obj);

		if(jQuery.isWindow(obj)) {
			return false;
		}

		if(obj.nodeType === 1 && length) {
			return true;
		}

		return type === "array" || type !== "function" &&
			(length === 0 ||
				typeof length === "number" && length > 0 && (length - 1) in obj);
	}

	// All jQuery objects should point back to these
	rootjQuery = jQuery(document);

	/*!
	 * Sizzle CSS Selector Engine v1.9.4-pre
	 * http://sizzlejs.com/
	 *
	 * Copyright 2013 jQuery Foundation, Inc. and other contributors
	 * Released under the MIT license
	 * http://jquery.org/license
	 *
	 * Date: 2013-06-03
	 */
	(function(window, undefined) {

		var i,
			support,
			cachedruns,
			Expr,
			getText,
			isXML,
			compile,
			outermostContext,
			sortInput,

			// Local document vars
			setDocument,
			document,
			docElem,
			documentIsHTML,
			rbuggyQSA,
			rbuggyMatches,
			matches,
			contains,

			// Instance-specific data
			expando = "sizzle" + -(new Date()),
			preferredDoc = window.document,
			dirruns = 0,
			done = 0,
			classCache = createCache(),
			tokenCache = createCache(),
			compilerCache = createCache(),
			hasDuplicate = false,
			sortOrder = function(a, b) {
				if(a === b) {
					hasDuplicate = true;
					return 0;
				}
				return 0;
			},

			// General-purpose constants
			strundefined = typeof undefined,
			MAX_NEGATIVE = 1 << 31,

			// Instance methods
			hasOwn = ({}).hasOwnProperty,
			arr = [],
			pop = arr.pop,
			push_native = arr.push,
			push = arr.push,
			slice = arr.slice,
			// Use a stripped-down indexOf if we can't use a native one
			indexOf = arr.indexOf || function(elem) {
				var i = 0,
					len = this.length;
				for(; i < len; i++) {
					if(this[i] === elem) {
						return i;
					}
				}
				return -1;
			},

			booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",

			// Regular expressions

			// Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
			whitespace = "[\\x20\\t\\r\\n\\f]",
			// http://www.w3.org/TR/css3-syntax/#characters
			characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",

			// Loosely modeled on CSS identifier characters
			// An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
			// Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
			identifier = characterEncoding.replace("w", "w#"),

			// Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
			attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
			"*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",

			// Prefer arguments quoted,
			//   then not containing pseudos/brackets,
			//   then attribute selectors/non-parenthetical expressions,
			//   then anything else
			// These preferences are here to reduce the number of selectors
			//   needing tokenize in the PSEUDO preFilter
			pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace(3, 8) + ")*)|.*)\\)|)",

			// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
			rtrim = new RegExp("^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g"),

			rcomma = new RegExp("^" + whitespace + "*," + whitespace + "*"),
			rcombinators = new RegExp("^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*"),

			rsibling = new RegExp(whitespace + "*[+~]"),
			rattributeQuotes = new RegExp("=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g"),

			rpseudo = new RegExp(pseudos),
			ridentifier = new RegExp("^" + identifier + "$"),

			matchExpr = {
				"ID": new RegExp("^#(" + characterEncoding + ")"),
				"CLASS": new RegExp("^\\.(" + characterEncoding + ")"),
				"TAG": new RegExp("^(" + characterEncoding.replace("w", "w*") + ")"),
				"ATTR": new RegExp("^" + attributes),
				"PSEUDO": new RegExp("^" + pseudos),
				"CHILD": new RegExp("^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
					"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
					"*(\\d+)|))" + whitespace + "*\\)|)", "i"),
				"bool": new RegExp("^(?:" + booleans + ")$", "i"),
				// For use in libraries implementing .is()
				// We use this for POS matching in `select`
				"needsContext": new RegExp("^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
					whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i")
			},

			rnative = /^[^{]+\{\s*\[native \w/,

			// Easily-parseable/retrievable ID or TAG or CLASS selectors
			rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,

			rinputs = /^(?:input|select|textarea|button)$/i,
			rheader = /^h\d$/i,

			rescape = /'|\\/g,

			// CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
			runescape = new RegExp("\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig"),
			funescape = function(_, escaped, escapedWhitespace) {
				var high = "0x" + escaped - 0x10000;
				// NaN means non-codepoint
				// Support: Firefox
				// Workaround erroneous numeric interpretation of +"0x"
				return high !== high || escapedWhitespace ?
					escaped :
					// BMP codepoint
					high < 0 ?
					String.fromCharCode(high + 0x10000) :
					// Supplemental Plane codepoint (surrogate pair)
					String.fromCharCode(high >> 10 | 0xD800, high & 0x3FF | 0xDC00);
			};

		// Optimize for push.apply( _, NodeList )
		try {
			push.apply(
				(arr = slice.call(preferredDoc.childNodes)),
				preferredDoc.childNodes
			);
			// Support: Android<4.0
			// Detect silently failing push.apply
			arr[preferredDoc.childNodes.length].nodeType;
		} catch(e) {
			push = {
				apply: arr.length ?

					// Leverage slice if possible
					function(target, els) {
						push_native.apply(target, slice.call(els));
					} :

					// Support: IE<9
					// Otherwise append directly
					function(target, els) {
						var j = target.length,
							i = 0;
						// Can't trust NodeList.length
						while((target[j++] = els[i++])) {}
						target.length = j - 1;
					}
			};
		}

		function Sizzle(selector, context, results, seed) {
			var match, elem, m, nodeType,
				// QSA vars
				i, groups, old, nid, newContext, newSelector;

			if((context ? context.ownerDocument || context : preferredDoc) !== document) {
				setDocument(context);
			}

			context = context || document;
			results = results || [];

			if(!selector || typeof selector !== "string") {
				return results;
			}

			if((nodeType = context.nodeType) !== 1 && nodeType !== 9) {
				return [];
			}

			if(documentIsHTML && !seed) {

				// Shortcuts
				if((match = rquickExpr.exec(selector))) {
					// Speed-up: Sizzle("#ID")
					if((m = match[1])) {
						if(nodeType === 9) {
							elem = context.getElementById(m);
							// Check parentNode to catch when Blackberry 4.6 returns
							// nodes that are no longer in the document #6963
							if(elem && elem.parentNode) {
								// Handle the case where IE, Opera, and Webkit return items
								// by name instead of ID
								if(elem.id === m) {
									results.push(elem);
									return results;
								}
							} else {
								return results;
							}
						} else {
							// Context is not a document
							if(context.ownerDocument && (elem = context.ownerDocument.getElementById(m)) &&
								contains(context, elem) && elem.id === m) {
								results.push(elem);
								return results;
							}
						}

						// Speed-up: Sizzle("TAG")
					} else if(match[2]) {
						push.apply(results, context.getElementsByTagName(selector));
						return results;

						// Speed-up: Sizzle(".CLASS")
					} else if((m = match[3]) && support.getElementsByClassName && context.getElementsByClassName) {
						push.apply(results, context.getElementsByClassName(m));
						return results;
					}
				}

				// QSA path
				if(support.qsa && (!rbuggyQSA || !rbuggyQSA.test(selector))) {
					nid = old = expando;
					newContext = context;
					newSelector = nodeType === 9 && selector;

					// qSA works strangely on Element-rooted queries
					// We can work around this by specifying an extra ID on the root
					// and working up from there (Thanks to Andrew Dupont for the technique)
					// IE 8 doesn't work on object elements
					if(nodeType === 1 && context.nodeName.toLowerCase() !== "object") {
						groups = tokenize(selector);

						if((old = context.getAttribute("id"))) {
							nid = old.replace(rescape, "\\$&");
						} else {
							context.setAttribute("id", nid);
						}
						nid = "[id='" + nid + "'] ";

						i = groups.length;
						while(i--) {
							groups[i] = nid + toSelector(groups[i]);
						}
						newContext = rsibling.test(selector) && context.parentNode || context;
						newSelector = groups.join(",");
					}

					if(newSelector) {
						try {
							push.apply(results,
								newContext.querySelectorAll(newSelector)
							);
							return results;
						} catch(qsaError) {} finally {
							if(!old) {
								context.removeAttribute("id");
							}
						}
					}
				}
			}

			// All others
			return select(selector.replace(rtrim, "$1"), context, results, seed);
		}

		/**
		 * Create key-value caches of limited size
		 * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
		 *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
		 *	deleting the oldest entry
		 */
		function createCache() {
			var keys = [];

			function cache(key, value) {
				// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
				if(keys.push(key += " ") > Expr.cacheLength) {
					// Only keep the most recent entries
					delete cache[keys.shift()];
				}
				return(cache[key] = value);
			}
			return cache;
		}

		/**
		 * Mark a function for special use by Sizzle
		 * @param {Function} fn The function to mark
		 */
		function markFunction(fn) {
			fn[expando] = true;
			return fn;
		}

		/**
		 * Support testing using an element
		 * @param {Function} fn Passed the created div and expects a boolean result
		 */
		function assert(fn) {
			var div = document.createElement("div");

			try {
				return !!fn(div);
			} catch(e) {
				return false;
			} finally {
				// Remove from its parent by default
				if(div.parentNode) {
					div.parentNode.removeChild(div);
				}
				// release memory in IE
				div = null;
			}
		}

		/**
		 * Adds the same handler for all of the specified attrs
		 * @param {String} attrs Pipe-separated list of attributes
		 * @param {Function} handler The method that will be applied
		 */
		function addHandle(attrs, handler) {
			var arr = attrs.split("|"),
				i = attrs.length;

			while(i--) {
				Expr.attrHandle[arr[i]] = handler;
			}
		}

		/**
		 * Checks document order of two siblings
		 * @param {Element} a
		 * @param {Element} b
		 * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
		 */
		function siblingCheck(a, b) {
			var cur = b && a,
				diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
				(~b.sourceIndex || MAX_NEGATIVE) -
				(~a.sourceIndex || MAX_NEGATIVE);

			// Use IE sourceIndex if available on both nodes
			if(diff) {
				return diff;
			}

			// Check if b follows a
			if(cur) {
				while((cur = cur.nextSibling)) {
					if(cur === b) {
						return -1;
					}
				}
			}

			return a ? 1 : -1;
		}

		/**
		 * Returns a function to use in pseudos for input types
		 * @param {String} type
		 */
		function createInputPseudo(type) {
			return function(elem) {
				var name = elem.nodeName.toLowerCase();
				return name === "input" && elem.type === type;
			};
		}

		/**
		 * Returns a function to use in pseudos for buttons
		 * @param {String} type
		 */
		function createButtonPseudo(type) {
			return function(elem) {
				var name = elem.nodeName.toLowerCase();
				return(name === "input" || name === "button") && elem.type === type;
			};
		}

		/**
		 * Returns a function to use in pseudos for positionals
		 * @param {Function} fn
		 */
		function createPositionalPseudo(fn) {
			return markFunction(function(argument) {
				argument = +argument;
				return markFuntion(function(seed, matches) {
					var j,
						matchIndexes = fn([], seed.length, argument),
						i = matchIndexes.length;

					// Match elements found at the specified indexes
					while(i--) {
						if(seed[(j = matchIndexes[i])]) {
							seed[j] = !(matches[j] = seed[j]);
						}
					}
				});
			});
		}

		/**
		 * Detect xml
		 * @param {Element|Object} elem An element or a document
		 */
		isXML = Sizzle.isXML = function(elem) {
			// documentElement is verified for cases where it doesn't yet exist
			// (such as loading iframes in IE - #4833)
			var documentElement = elem && (elem.ownerDocument || elem).documentElement;
			return documentElement ? documentElement.nodeName !== "HTML" : false;
		};

		// Expose support vars for convenience
		support = Sizzle.support = {};

		/**
		 * Sets document-related variables once based on the current document
		 * @param {Element|Object} [doc] An element or document object to use to set the document
		 * @returns {Object} Returns the current document
		 */
		setDocument = Sizzle.setDocument = function(node) {
			var doc = node ? node.ownerDocument || node : preferredDoc,
				parent = doc.defaultView;

			// If no document and documentElement is available, return
			if(doc === document || doc.nodeType !== 9 || !doc.documentElement) {
				return document;
			}

			// Set our document
			document = doc;
			docElem = doc.documentElement;

			// Support tests
			documentIsHTML = !isXML(doc);

			// Support: IE>8
			// If iframe document is assigned to "document" variable and if iframe has been reloaded,
			// IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
			// IE6-8 do not support the defaultView property so parent will be undefined
			if(parent && parent.attachEvent && parent !== parent.top) {
				parent.attachEvent("onbeforeunload", function() {
					setDocument();
				});
			}

			/* Attributes
	---------------------------------------------------------------------- */

			// Support: IE<8
			// Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
			support.attributes = assert(function(div) {
				div.className = "i";
				return !div.getAttribute("className");
			});

			/* getElement(s)By*
	---------------------------------------------------------------------- */

			// Check if getElementsByTagName("*") returns only elements
			support.getElementsByTagName = assert(function(div) {
				div.appendChild(doc.createComment(""));
				return !div.getElementsByTagName("*").length;
			});

			// Check if getElementsByClassName can be trusted
			support.getElementsByClassName = assert(function(div) {
				div.innerHTML = "<div class='a'></div><div class='a i'></div>";

				// Support: Safari<4
				// Catch class over-caching
				div.firstChild.className = "i";
				// Support: Opera<10
				// Catch gEBCN failure to find non-leading classes
				return div.getElementsByClassName("i").length === 2;
			});

			// Support: IE<10
			// Check if getElementById returns elements by name
			// The broken getElementById methods don't pick up programatically-set names,
			// so use a roundabout getElementsByName test
			support.getById = assert(function(div) {
				docElem.appendChild(div).id = expando;
				return !doc.getElementsByName || !doc.getElementsByName(expando).length;
			});

			// ID find and filter
			if(support.getById) {
				Expr.find["ID"] = function(id, context) {
					if(typeof context.getElementById !== strundefined && documentIsHTML) {
						var m = context.getElementById(id);
						// Check parentNode to catch when Blackberry 4.6 returns
						// nodes that are no longer in the document #6963
						return m && m.parentNode ? [m] : [];
					}
				};
				Expr.filter["ID"] = function(id) {
					var attrId = id.replace(runescape, funescape);
					return function(elem) {
						return elem.getAttribute("id") === attrId;
					};
				};
			} else {
				// Support: IE6/7
				// getElementById is not reliable as a find shortcut
				delete Expr.find["ID"];

				Expr.filter["ID"] = function(id) {
					var attrId = id.replace(runescape, funescape);
					return function(elem) {
						var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
						return node && node.value === attrId;
					};
				};
			}

			// Tag
			Expr.find["TAG"] = support.getElementsByTagName ?
				function(tag, context) {
					if(typeof context.getElementsByTagName !== strundefined) {
						return context.getElementsByTagName(tag);
					}
				} :
				function(tag, context) {
					var elem,
						tmp = [],
						i = 0,
						results = context.getElementsByTagName(tag);

					// Filter out possible comments
					if(tag === "*") {
						while((elem = results[i++])) {
							if(elem.nodeType === 1) {
								tmp.push(elem);
							}
						}

						return tmp;
					}
					return results;
				};

			// Class
			Expr.find["CLASS"] = support.getElementsByClassName && function(className, context) {
				if(typeof context.getElementsByClassName !== strundefined && documentIsHTML) {
					return context.getElementsByClassName(className);
				}
			};

			/* QSA/matchesSelector
	---------------------------------------------------------------------- */

			// QSA and matchesSelector support

			// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
			rbuggyMatches = [];

			// qSa(:focus) reports false when true (Chrome 21)
			// We allow this because of a bug in IE8/9 that throws an error
			// whenever `document.activeElement` is accessed on an iframe
			// So, we allow :focus to pass through QSA all the time to avoid the IE error
			// See http://bugs.jquery.com/ticket/13378
			rbuggyQSA = [];

			if((support.qsa = rnative.test(doc.querySelectorAll))) {
				// Build QSA regex
				// Regex strategy adopted from Diego Perini
				assert(function(div) {
					// Select is set to empty string on purpose
					// This is to test IE's treatment of not explicitly
					// setting a boolean content attribute,
					// since its presence should be enough
					// http://bugs.jquery.com/ticket/12359
					div.innerHTML = "<select><option selected=''></option></select>";

					// Support: IE8
					// Boolean attributes and "value" are not treated correctly
					if(!div.querySelectorAll("[selected]").length) {
						rbuggyQSA.push("\\[" + whitespace + "*(?:value|" + booleans + ")");
					}

					// Webkit/Opera - :checked should return selected option elements
					// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
					// IE8 throws error here and will not see later tests
					if(!div.querySelectorAll(":checked").length) {
						rbuggyQSA.push(":checked");
					}
				});

				assert(function(div) {

					// Support: Opera 10-12/IE8
					// ^= $= *= and empty values
					// Should not select anything
					// Support: Windows 8 Native Apps
					// The type attribute is restricted during .innerHTML assignment
					var input = doc.createElement("input");
					input.setAttribute("type", "hidden");
					div.appendChild(input).setAttribute("t", "");

					if(div.querySelectorAll("[t^='']").length) {
						rbuggyQSA.push("[*^$]=" + whitespace + "*(?:''|\"\")");
					}

					// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
					// IE8 throws error here and will not see later tests
					if(!div.querySelectorAll(":enabled").length) {
						rbuggyQSA.push(":enabled", ":disabled");
					}

					// Opera 10-11 does not throw on post-comma invalid pseudos
					div.querySelectorAll("*,:x");
					rbuggyQSA.push(",.*:");
				});
			}

			if((support.matchesSelector = rnative.test((matches = docElem.webkitMatchesSelector ||
					docElem.mozMatchesSelector ||
					docElem.oMatchesSelector ||
					docElem.msMatchesSelector)))) {

				assert(function(div) {
					// Check to see if it's possible to do matchesSelector
					// on a disconnected node (IE 9)
					support.disconnectedMatch = matches.call(div, "div");

					// This should fail with an exception
					// Gecko does not error, returns false instead
					matches.call(div, "[s!='']:x");
					rbuggyMatches.push("!=", pseudos);
				});
			}

			rbuggyQSA = rbuggyQSA.length && new RegExp(rbuggyQSA.join("|"));
			rbuggyMatches = rbuggyMatches.length && new RegExp(rbuggyMatches.join("|"));

			/* Contains
	---------------------------------------------------------------------- */

			// Element contains another
			// Purposefully does not implement inclusive descendent
			// As in, an element does not contain itself
			contains = rnative.test(docElem.contains) || docElem.compareDocumentPosition ?
				function(a, b) {
					var adown = a.nodeType === 9 ? a.documentElement : a,
						bup = b && b.parentNode;
					return a === bup || !!(bup && bup.nodeType === 1 && (
						adown.contains ?
						adown.contains(bup) :
						a.compareDocumentPosition && a.compareDocumentPosition(bup) & 16
					));
				} :
				function(a, b) {
					if(b) {
						while((b = b.parentNode)) {
							if(b === a) {
								return true;
							}
						}
					}
					return false;
				};

			/* Sorting
	---------------------------------------------------------------------- */

			// Document order sorting
			sortOrder = docElem.compareDocumentPosition ?
				function(a, b) {

					// Flag for duplicate removal
					if(a === b) {
						hasDuplicate = true;
						return 0;
					}

					var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition(b);

					if(compare) {
						// Disconnected nodes
						if(compare & 1 ||
							(!support.sortDetached && b.compareDocumentPosition(a) === compare)) {

							// Choose the first element that is related to our preferred document
							if(a === doc || contains(preferredDoc, a)) {
								return -1;
							}
							if(b === doc || contains(preferredDoc, b)) {
								return 1;
							}

							// Maintain original order
							return sortInput ?
								(indexOf.call(sortInput, a) - indexOf.call(sortInput, b)) :
								0;
						}

						return compare & 4 ? -1 : 1;
					}

					// Not directly comparable, sort on existence of method
					return a.compareDocumentPosition ? -1 : 1;
				} :
				function(a, b) {
					var cur,
						i = 0,
						aup = a.parentNode,
						bup = b.parentNode,
						ap = [a],
						bp = [b];

					// Exit early if the nodes are identical
					if(a === b) {
						hasDuplicate = true;
						return 0;

						// Parentless nodes are either documents or disconnected
					} else if(!aup || !bup) {
						return a === doc ? -1 :
							b === doc ? 1 :
							aup ? -1 :
							bup ? 1 :
							sortInput ?
							(indexOf.call(sortInput, a) - indexOf.call(sortInput, b)) :
							0;

						// If the nodes are siblings, we can do a quick check
					} else if(aup === bup) {
						return siblingCheck(a, b);
					}

					// Otherwise we need full lists of their ancestors for comparison
					cur = a;
					while((cur = cur.parentNode)) {
						ap.unshift(cur);
					}
					cur = b;
					while((cur = cur.parentNode)) {
						bp.unshift(cur);
					}

					// Walk down the tree looking for a discrepancy
					while(ap[i] === bp[i]) {
						i++;
					}

					return i ?
						// Do a sibling check if the nodes have a common ancestor
						siblingCheck(ap[i], bp[i]) :

						// Otherwise nodes in our document sort first
						ap[i] === preferredDoc ? -1 :
						bp[i] === preferredDoc ? 1 :
						0;
				};

			return doc;
		};

		Sizzle.matches = function(expr, elements) {
			return Sizzle(expr, null, null, elements);
		};

		Sizzle.matchesSelector = function(elem, expr) {
			// Set document vars if needed
			if((elem.ownerDocument || elem) !== document) {
				setDocument(elem);
			}

			// Make sure that attribute selectors are quoted
			expr = expr.replace(rattributeQuotes, "='$1']");

			if(support.matchesSelector && documentIsHTML &&
				(!rbuggyMatches || !rbuggyMatches.test(expr)) &&
				(!rbuggyQSA || !rbuggyQSA.test(expr))) {

				try {
					var ret = matches.call(elem, expr);

					// IE 9's matchesSelector returns false on disconnected nodes
					if(ret || support.disconnectedMatch ||
						// As well, disconnected nodes are said to be in a document
						// fragment in IE 9
						elem.document && elem.document.nodeType !== 11) {
						return ret;
					}
				} catch(e) {}
			}

			return Sizzle(expr, document, null, [elem]).length > 0;
		};

		Sizzle.contains = function(context, elem) {
			// Set document vars if needed
			if((context.ownerDocument || context) !== document) {
				setDocument(context);
			}
			return contains(context, elem);
		};

		Sizzle.attr = function(elem, name) {
			// Set document vars if needed
			if((elem.ownerDocument || elem) !== document) {
				setDocument(elem);
			}

			var fn = Expr.attrHandle[name.toLowerCase()],
				// Don't get fooled by Object.prototype properties (jQuery #13807)
				val = fn && hasOwn.call(Expr.attrHandle, name.toLowerCase()) ?
				fn(elem, name, !documentIsHTML) :
				undefined;

			return val === undefined ?
				support.attributes || !documentIsHTML ?
				elem.getAttribute(name) :
				(val = elem.getAttributeNode(name)) && val.specified ?
				val.value :
				null :
				val;
		};

		Sizzle.error = function(msg) {
			throw new Error("Syntax error, unrecognized expression: " + msg);
		};

		/**
		 * Document sorting and removing duplicates
		 * @param {ArrayLike} results
		 */
		Sizzle.uniqueSort = function(results) {
			var elem,
				duplicates = [],
				j = 0,
				i = 0;

			// Unless we *know* we can detect duplicates, assume their presence
			hasDuplicate = !support.detectDuplicates;
			sortInput = !support.sortStable && results.slice(0);
			results.sort(sortOrder);

			if(hasDuplicate) {
				while((elem = results[i++])) {
					if(elem === results[i]) {
						j = duplicates.push(i);
					}
				}
				while(j--) {
					results.splice(duplicates[j], 1);
				}
			}

			return results;
		};

		/**
		 * Utility function for retrieving the text value of an array of DOM nodes
		 * @param {Array|Element} elem
		 */
		getText = Sizzle.getText = function(elem) {
			var node,
				ret = "",
				i = 0,
				nodeType = elem.nodeType;

			if(!nodeType) {
				// If no nodeType, this is expected to be an array
				for(;
					(node = elem[i]); i++) {
					// Do not traverse comment nodes
					ret += getText(node);
				}
			} else if(nodeType === 1 || nodeType === 9 || nodeType === 11) {
				// Use textContent for elements
				// innerText usage removed for consistency of new lines (see #11153)
				if(typeof elem.textContent === "string") {
					return elem.textContent;
				} else {
					// Traverse its children
					for(elem = elem.firstChild; elem; elem = elem.nextSibling) {
						ret += getText(elem);
					}
				}
			} else if(nodeType === 3 || nodeType === 4) {
				return elem.nodeValue;
			}
			// Do not include comment or processing instruction nodes

			return ret;
		};

		Expr = Sizzle.selectors = {

			// Can be adjusted by the user
			cacheLength: 50,

			createPseudo: markFunction,

			match: matchExpr,

			attrHandle: {},

			find: {},

			relative: {
				">": {
					dir: "parentNode",
					first: true
				},
				" ": {
					dir: "parentNode"
				},
				"+": {
					dir: "previousSibling",
					first: true
				},
				"~": {
					dir: "previousSibling"
				}
			},

			preFilter: {
				"ATTR": function(match) {
					match[1] = match[1].replace(runescape, funescape);

					// Move the given value to match[3] whether quoted or unquoted
					match[3] = (match[4] || match[5] || "").replace(runescape, funescape);

					if(match[2] === "~=") {
						match[3] = " " + match[3] + " ";
					}

					return match.slice(0, 4);
				},

				"CHILD": function(match) {
					/* matches from matchExpr["CHILD"]
				1 type (only|nth|...)
				2 what (child|of-type)
				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
				4 xn-component of xn+y argument ([+-]?\d*n|)
				5 sign of xn-component
				6 x of xn-component
				7 sign of y-component
				8 y of y-component
			*/
					match[1] = match[1].toLowerCase();

					if(match[1].slice(0, 3) === "nth") {
						// nth-* requires argument
						if(!match[3]) {
							Sizzle.error(match[0]);
						}

						// numeric x and y parameters for Expr.filter.CHILD
						// remember that false/true cast respectively to 0/1
						match[4] = +(match[4] ? match[5] + (match[6] || 1) : 2 * (match[3] === "even" || match[3] === "odd"));
						match[5] = +((match[7] + match[8]) || match[3] === "odd");

						// other types prohibit arguments
					} else if(match[3]) {
						Sizzle.error(match[0]);
					}

					return match;
				},

				"PSEUDO": function(match) {
					var excess,
						unquoted = !match[5] && match[2];

					if(matchExpr["CHILD"].test(match[0])) {
						return null;
					}

					// Accept quoted arguments as-is
					if(match[3] && match[4] !== undefined) {
						match[2] = match[4];

						// Strip excess characters from unquoted arguments
					} else if(unquoted && rpseudo.test(unquoted) &&
						// Get excess from tokenize (recursively)
						(excess = tokenize(unquoted, true)) &&
						// advance to the next closing parenthesis
						(excess = unquoted.indexOf(")", unquoted.length - excess) - unquoted.length)) {

						// excess is a negative index
						match[0] = match[0].slice(0, excess);
						match[2] = unquoted.slice(0, excess);
					}

					// Return only captures needed by the pseudo filter method (type and argument)
					return match.slice(0, 3);
				}
			},

			filter: {

				"TAG": function(nodeNameSelector) {
					var nodeName = nodeNameSelector.replace(runescape, funescape).toLowerCase();
					return nodeNameSelector === "*" ?
						function() {
							return true;
						} :
						function(elem) {
							return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
						};
				},

				"CLASS": function(className) {
					var pattern = classCache[className + " "];

					return pattern ||
						(pattern = new RegExp("(^|" + whitespace + ")" + className + "(" + whitespace + "|$)")) &&
						classCache(className, function(elem) {
							return pattern.test(typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "");
						});
				},

				"ATTR": function(name, operator, check) {
					return function(elem) {
						var result = Sizzle.attr(elem, name);

						if(result == null) {
							return operator === "!=";
						}
						if(!operator) {
							return true;
						}

						result += "";

						return operator === "=" ? result === check :
							operator === "!=" ? result !== check :
							operator === "^=" ? check && result.indexOf(check) === 0 :
							operator === "*=" ? check && result.indexOf(check) > -1 :
							operator === "$=" ? check && result.slice(-check.length) === check :
							operator === "~=" ? (" " + result + " ").indexOf(check) > -1 :
							operator === "|=" ? result === check || result.slice(0, check.length + 1) === check + "-" :
							false;
					};
				},

				"CHILD": function(type, what, argument, first, last) {
					var simple = type.slice(0, 3) !== "nth",
						forward = type.slice(-4) !== "last",
						ofType = what === "of-type";

					return first === 1 && last === 0 ?

						// Shortcut for :nth-*(n)
						function(elem) {
							return !!elem.parentNode;
						} :

						function(elem, context, xml) {
							var cache, outerCache, node, diff, nodeIndex, start,
								dir = simple !== forward ? "nextSibling" : "previousSibling",
								parent = elem.parentNode,
								name = ofType && elem.nodeName.toLowerCase(),
								useCache = !xml && !ofType;

							if(parent) {

								// :(first|last|only)-(child|of-type)
								if(simple) {
									while(dir) {
										node = elem;
										while((node = node[dir])) {
											if(ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) {
												return false;
											}
										}
										// Reverse direction for :only-* (if we haven't yet done so)
										start = dir = type === "only" && !start && "nextSibling";
									}
									return true;
								}

								start = [forward ? parent.firstChild : parent.lastChild];

								// non-xml :nth-child(...) stores cache data on `parent`
								if(forward && useCache) {
									// Seek `elem` from a previously-cached index
									outerCache = parent[expando] || (parent[expando] = {});
									cache = outerCache[type] || [];
									nodeIndex = cache[0] === dirruns && cache[1];
									diff = cache[0] === dirruns && cache[2];
									node = nodeIndex && parent.childNodes[nodeIndex];

									while((node = ++nodeIndex && node && node[dir] ||

											// Fallback to seeking `elem` from the start
											(diff = nodeIndex = 0) || start.pop())) {

										// When found, cache indexes on `parent` and break
										if(node.nodeType === 1 && ++diff && node === elem) {
											outerCache[type] = [dirruns, nodeIndex, diff];
											break;
										}
									}

									// Use previously-cached element index if available
								} else if(useCache && (cache = (elem[expando] || (elem[expando] = {}))[type]) && cache[0] === dirruns) {
									diff = cache[1];

									// xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
								} else {
									// Use the same loop as above to seek `elem` from the start
									while((node = ++nodeIndex && node && node[dir] ||
											(diff = nodeIndex = 0) || start.pop())) {

										if((ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1) && ++diff) {
											// Cache the index of each encountered element
											if(useCache) {
												(node[expando] || (node[expando] = {}))[type] = [dirruns, diff];
											}

											if(node === elem) {
												break;
											}
										}
									}
								}

								// Incorporate the offset, then check against cycle size
								diff -= last;
								return diff === first || (diff % first === 0 && diff / first >= 0);
							}
						};
				},

				"PSEUDO": function(pseudo, argument) {
					// pseudo-class names are case-insensitive
					// http://www.w3.org/TR/selectors/#pseudo-classes
					// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
					// Remember that setFilters inherits from pseudos
					var args,
						fn = Expr.pseudos[pseudo] || Expr.setFilters[pseudo.toLowerCase()] ||
						Sizzle.error("unsupported pseudo: " + pseudo);

					// The user may use createPseudo to indicate that
					// arguments are needed to create the filter function
					// just as Sizzle does
					if(fn[expando]) {
						return fn(argument);
					}

					// But maintain support for old signatures
					if(fn.length > 1) {
						args = [pseudo, pseudo, "", argument];
						return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase()) ?
							markFunction(function(seed, matches) {
								var idx,
									matched = fn(seed, argument),
									i = matched.length;
								while(i--) {
									idx = indexOf.call(seed, matched[i]);
									seed[idx] = !(matches[idx] = matched[i]);
								}
							}) :
							function(elem) {
								return fn(elem, 0, args);
							};
					}

					return fn;
				}
			},

			pseudos: {
				// Potentially complex pseudos
				"not": markFunction(function(selector) {
					// Trim the selector passed to compile
					// to avoid treating leading and trailing
					// spaces as combinators
					var input = [],
						results = [],
						matcher = compile(selector.replace(rtrim, "$1"));

					return matcher[expando] ?
						markFunction(function(seed, matches, context, xml) {
							var elem,
								unmatched = matcher(seed, null, xml, []),
								i = seed.length;

							// Match elements unmatched by `matcher`
							while(i--) {
								if((elem = unmatched[i])) {
									seed[i] = !(matches[i] = elem);
								}
							}
						}) :
						function(elem, context, xml) {
							input[0] = elem;
							matcher(input, null, xml, results);
							return !results.pop();
						};
				}),

				"has": markFunction(function(selector) {
					return function(elem) {
						return Sizzle(selector, elem).length > 0;
					};
				}),

				"contains": markFunction(function(text) {
					return function(elem) {
						return(elem.textContent || elem.innerText || getText(elem)).indexOf(text) > -1;
					};
				}),

				// "Whether an element is represented by a :lang() selector
				// is based solely on the element's language value
				// being equal to the identifier C,
				// or beginning with the identifier C immediately followed by "-".
				// The matching of C against the element's language value is performed case-insensitively.
				// The identifier C does not have to be a valid language name."
				// http://www.w3.org/TR/selectors/#lang-pseudo
				"lang": markFunction(function(lang) {
					// lang value must be a valid identifier
					if(!ridentifier.test(lang || "")) {
						Sizzle.error("unsupported lang: " + lang);
					}
					lang = lang.replace(runescape, funescape).toLowerCase();
					return function(elem) {
						var elemLang;
						do {
							if((elemLang = documentIsHTML ?
									elem.lang :
									elem.getAttribute("xml:lang") || elem.getAttribute("lang"))) {

								elemLang = elemLang.toLowerCase();
								return elemLang === lang || elemLang.indexOf(lang + "-") === 0;
							}
						} while ((elem = elem.parentNode) && elem.nodeType === 1);
						return false;
					};
				}),

				// Miscellaneous
				"target": function(elem) {
					var hash = window.location && window.location.hash;
					return hash && hash.slice(1) === elem.id;
				},

				"root": function(elem) {
					return elem === docElem;
				},

				"focus": function(elem) {
					return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
				},

				// Boolean properties
				"enabled": function(elem) {
					return elem.disabled === false;
				},

				"disabled": function(elem) {
					return elem.disabled === true;
				},

				"checked": function(elem) {
					// In CSS3, :checked should return both checked and selected elements
					// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
					var nodeName = elem.nodeName.toLowerCase();
					return(nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
				},

				"selected": function(elem) {
					// Accessing this property makes selected-by-default
					// options in Safari work properly
					if(elem.parentNode) {
						elem.parentNode.selectedIndex;
					}

					return elem.selected === true;
				},

				// Contents
				"empty": function(elem) {
					// http://www.w3.org/TR/selectors/#empty-pseudo
					// :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
					//   not comment, processing instructions, or others
					// Thanks to Diego Perini for the nodeName shortcut
					//   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
					for(elem = elem.firstChild; elem; elem = elem.nextSibling) {
						if(elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4) {
							return false;
						}
					}
					return true;
				},

				"parent": function(elem) {
					return !Expr.pseudos["empty"](elem);
				},

				// Element/input types
				"header": function(elem) {
					return rheader.test(elem.nodeName);
				},

				"input": function(elem) {
					return rinputs.test(elem.nodeName);
				},

				"button": function(elem) {
					var name = elem.nodeName.toLowerCase();
					return name === "input" && elem.type === "button" || name === "button";
				},

				"text": function(elem) {
					var attr;
					// IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
					// use getAttribute instead to test this case
					return elem.nodeName.toLowerCase() === "input" &&
						elem.type === "text" &&
						((attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type);
				},

				// Position-in-collection
				"first": createPositionalPseudo(function() {
					return [0];
				}),

				"last": createPositionalPseudo(function(matchIndexes, length) {
					return [length - 1];
				}),

				"eq": createPositionalPseudo(function(matchIndexes, length, argument) {
					return [argument < 0 ? argument + length : argument];
				}),

				"even": createPositionalPseudo(function(matchIndexes, length) {
					var i = 0;
					for(; i < length; i += 2) {
						matchIndexes.push(i);
					}
					return matchIndexes;
				}),

				"odd": createPositionalPseudo(function(matchIndexes, length) {
					var i = 1;
					for(; i < length; i += 2) {
						matchIndexes.push(i);
					}
					return matchIndexes;
				}),

				"lt": createPositionalPseudo(function(matchIndexes, length, argument) {
					var i = argument < 0 ? argument + length : argument;
					for(; --i >= 0;) {
						matchIndexes.push(i);
					}
					return matchIndexes;
				}),

				"gt": createPositionalPseudo(function(matchIndexes, length, argument) {
					var i = argument < 0 ? argument + length : argument;
					for(; ++i < length;) {
						matchIndexes.push(i);
					}
					return matchIndexes;
				})
			}
		};

		Expr.pseudos["nth"] = Expr.pseudos["eq"];

		// Add button/input type pseudos
		for(i in {
				radio: true,
				checkbox: true,
				file: true,
				password: true,
				image: true
			}) {
			Expr.pseudos[i] = createInputPseudo(i);
		}
		for(i in {
				submit: true,
				reset: true
			}) {
			Expr.pseudos[i] = createButtonPseudo(i);
		}

		// Easy API for creating new setFilters
		function setFilters() {}
		setFilters.prototype = Expr.filters = Expr.pseudos;
		Expr.setFilters = new setFilters();

		function tokenize(selector, parseOnly) {
			var matched, match, tokens, type,
				soFar, groups, preFilters,
				cached = tokenCache[selector + " "];

			if(cached) {
				return parseOnly ? 0 : cached.slice(0);
			}

			soFar = selector;
			groups = [];
			preFilters = Expr.preFilter;

			while(soFar) {

				// Comma and first run
				if(!matched || (match = rcomma.exec(soFar))) {
					if(match) {
						// Don't consume trailing commas as valid
						soFar = soFar.slice(match[0].length) || soFar;
					}
					groups.push(tokens = []);
				}

				matched = false;

				// Combinators
				if((match = rcombinators.exec(soFar))) {
					matched = match.shift();
					tokens.push({
						value: matched,
						// Cast descendant combinators to space
						type: match[0].replace(rtrim, " ")
					});
					soFar = soFar.slice(matched.length);
				}

				// Filters
				for(type in Expr.filter) {
					if((match = matchExpr[type].exec(soFar)) && (!preFilters[type] ||
							(match = preFilters[type](match)))) {
						matched = match.shift();
						tokens.push({
							value: matched,
							type: type,
							matches: match
						});
						soFar = soFar.slice(matched.length);
					}
				}

				if(!matched) {
					break;
				}
			}

			// Return the length of the invalid excess
			// if we're just parsing
			// Otherwise, throw an error or return tokens
			return parseOnly ?
				soFar.length :
				soFar ?
				Sizzle.error(selector) :
				// Cache the tokens
				tokenCache(selector, groups).slice(0);
		}

		function toSelector(tokens) {
			var i = 0,
				len = tokens.length,
				selector = "";
			for(; i < len; i++) {
				selector += tokens[i].value;
			}
			return selector;
		}

		function addCombinator(matcher, combinator, base) {
			var dir = combinator.dir,
				checkNonElements = base && dir === "parentNode",
				doneName = done++;

			return combinator.first ?
				// Check against closest ancestor/preceding element
				function(elem, context, xml) {
					while((elem = elem[dir])) {
						if(elem.nodeType === 1 || checkNonElements) {
							return matcher(elem, context, xml);
						}
					}
				} :

				// Check against all ancestor/preceding elements
				function(elem, context, xml) {
					var data, cache, outerCache,
						dirkey = dirruns + " " + doneName;

					// We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
					if(xml) {
						while((elem = elem[dir])) {
							if(elem.nodeType === 1 || checkNonElements) {
								if(matcher(elem, context, xml)) {
									return true;
								}
							}
						}
					} else {
						while((elem = elem[dir])) {
							if(elem.nodeType === 1 || checkNonElements) {
								outerCache = elem[expando] || (elem[expando] = {});
								if((cache = outerCache[dir]) && cache[0] === dirkey) {
									if((data = cache[1]) === true || data === cachedruns) {
										return data === true;
									}
								} else {
									cache = outerCache[dir] = [dirkey];
									cache[1] = matcher(elem, context, xml) || cachedruns;
									if(cache[1] === true) {
										return true;
									}
								}
							}
						}
					}
				};
		}

		function elementMatcher(matchers) {
			return matchers.length > 1 ?
				function(elem, context, xml) {
					var i = matchers.length;
					while(i--) {
						if(!matchers[i](elem, context, xml)) {
							return false;
						}
					}
					return true;
				} :
				matchers[0];
		}

		function condense(unmatched, map, filter, context, xml) {
			var elem,
				newUnmatched = [],
				i = 0,
				len = unmatched.length,
				mapped = map != null;

			for(; i < len; i++) {
				if((elem = unmatched[i])) {
					if(!filter || filter(elem, context, xml)) {
						newUnmatched.push(elem);
						if(mapped) {
							map.push(i);
						}
					}
				}
			}

			return newUnmatched;
		}

		function setMatcher(preFilter, selector, matcher, postFilter, postFinder, postSelector) {
			if(postFilter && !postFilter[expando]) {
				postFilter = setMatcher(postFilter);
			}
			if(postFinder && !postFinder[expando]) {
				postFinder = setMatcher(postFinder, postSelector);
			}
			return markFunction(function(seed, results, context, xml) {
				var temp, i, elem,
					preMap = [],
					postMap = [],
					preexisting = results.length,

					// Get initial elements from seed or context
					elems = seed || multipleContexts(selector || "*", context.nodeType ? [context] : context, []),

					// Prefilter to get matcher input, preserving a map for seed-results synchronization
					matcherIn = preFilter && (seed || !selector) ?
					condense(elems, preMap, preFilter, context, xml) :
					elems,

					matcherOut = matcher ?
					// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
					postFinder || (seed ? preFilter : preexisting || postFilter) ?

					// ...intermediate processing is necessary
					[] :

					// ...otherwise use results directly
					results :
					matcherIn;

				// Find primary matches
				if(matcher) {
					matcher(matcherIn, matcherOut, context, xml);
				}

				// Apply postFilter
				if(postFilter) {
					temp = condense(matcherOut, postMap);
					postFilter(temp, [], context, xml);

					// Un-match failing elements by moving them back to matcherIn
					i = temp.length;
					while(i--) {
						if((elem = temp[i])) {
							matcherOut[postMap[i]] = !(matcherIn[postMap[i]] = elem);
						}
					}
				}

				if(seed) {
					if(postFinder || preFilter) {
						if(postFinder) {
							// Get the final matcherOut by condensing this intermediate into postFinder contexts
							temp = [];
							i = matcherOut.length;
							while(i--) {
								if((elem = matcherOut[i])) {
									// Restore matcherIn since elem is not yet a final match
									temp.push((matcherIn[i] = elem));
								}
							}
							postFinder(null, (matcherOut = []), temp, xml);
						}

						// Move matched elements from seed to results to keep them synchronized
						i = matcherOut.length;
						while(i--) {
							if((elem = matcherOut[i]) &&
								(temp = postFinder ? indexOf.call(seed, elem) : preMap[i]) > -1) {

								seed[temp] = !(results[temp] = elem);
							}
						}
					}

					// Add elements to results, through postFinder if defined
				} else {
					matcherOut = condense(
						matcherOut === results ?
						matcherOut.splice(preexisting, matcherOut.length) :
						matcherOut
					);
					if(postFinder) {
						postFinder(null, results, matcherOut, xml);
					} else {
						push.apply(results, matcherOut);
					}
				}
			});
		}

		function matcherFromTokens(tokens) {
			var checkContext, matcher, j,
				len = tokens.length,
				leadingRelative = Expr.relative[tokens[0].type],
				implicitRelative = leadingRelative || Expr.relative[" "],
				i = leadingRelative ? 1 : 0,

				// The foundational matcher ensures that elements are reachable from top-level context(s)
				matchContext = addCombinator(function(elem) {
					return elem === checkContext;
				}, implicitRelative, true),

				matchAnyContext = addCombinator(function(elem) {
					return indexOf.call(checkContext, elem) > -1;
				}, implicitRelative, true),

				matchers = [function(elem, context, xml) {
					return(!leadingRelative && (xml || context !== outermostContext)) || (
						(checkContext = context).nodeType ?
						matchContext(elem, context, xml) :
						matchAnyContext(elem, context, xml));
				}];

			for(; i < len; i++) {
				if((matcher = Expr.relative[tokens[i].type])) {
					matchers = [addCombinator(elementMatcher(matchers), matcher)];
				} else {

					matcher = Expr.filter[tokens[i].type].apply(null, tokens[i].matches);

					// Return special upon seeing a positional matcher
					if(matcher[expando]) {
						// Find the next relative operator (if any) for proper handling
						j = ++i;
						//找到下个位置（+~>空格）的索引
						for(; j < len; j++) {
							if(Expr.relative[tokens[j].type]) {
								break;
							}
						}
						return setMatcher(
							i > 1 && elementMatcher(matchers),
							i > 1 && toSelector(
								// If the preceding token was a descendant combinator, insert an implicit any-element `*`
								tokens.slice(0, i - 1).concat({
									value: tokens[i - 2].type === " " ? "*" : ""
								})
							).replace(rtrim, "$1"),
							matcher,
							i < j && matcherFromTokens(tokens.slice(i, j)),
							j < len && matcherFromTokens((tokens = tokens.slice(j))),
							j < len && toSelector(tokens)
						);
					}
					matchers.push(matcher);
				}
			}

			return elementMatcher(matchers);
		}

		function matcherFromGroupMatchers(elementMatchers, setMatchers) {
			// A counter to specify which element is currently being matched
			var matcherCachedRuns = 0,
				bySet = setMatchers.length > 0,
				byElement = elementMatchers.length > 0,
				superMatcher = function(seed, context, xml, results, expandContext) {
					var elem, j, matcher,
						setMatched = [],
						matchedCount = 0,
						i = "0",
						unmatched = seed && [],
						outermost = expandContext != null,
						contextBackup = outermostContext,
						// We must always have either seed elements or context
						elems = seed || byElement && Expr.find["TAG"]("*", expandContext && context.parentNode || context),
						// Use integer dirruns iff this is the outermost matcher
						dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);

					if(outermost) {
						outermostContext = context !== document && context;
						cachedruns = matcherCachedRuns;
					}

					// Add elements passing elementMatchers directly to results
					// Keep `i` a string if there are no elements so `matchedCount` will be "00" below
					for(;
						(elem = elems[i]) != null; i++) {
						if(byElement && elem) {
							j = 0;
							while((matcher = elementMatchers[j++])) {
								if(matcher(elem, context, xml)) {
									results.push(elem);
									break;
								}
							}
							if(outermost) {
								dirruns = dirrunsUnique;
								cachedruns = ++matcherCachedRuns;
							}
						}

						// Track unmatched elements for set filters
						if(bySet) {
							// They will have gone through all possible matchers
							if((elem = !matcher && elem)) {
								matchedCount--;
							}

							// Lengthen the array for every element, matched or not
							if(seed) {
								unmatched.push(elem);
							}
						}
					}

					// Apply set filters to unmatched elements
					matchedCount += i;
					if(bySet && i !== matchedCount) {
						j = 0;
						while((matcher = setMatchers[j++])) {
							matcher(unmatched, setMatched, context, xml);
						}

						if(seed) {
							// Reintegrate element matches to eliminate the need for sorting
							if(matchedCount > 0) {
								while(i--) {
									if(!(unmatched[i] || setMatched[i])) {
										setMatched[i] = pop.call(results);
									}
								}
							}

							// Discard index placeholder values to get only actual matches
							setMatched = condense(setMatched);
						}

						// Add matches to results
						push.apply(results, setMatched);

						// Seedless set matches succeeding multiple successful matchers stipulate sorting
						if(outermost && !seed && setMatched.length > 0 &&
							(matchedCount + setMatchers.length) > 1) {

							Sizzle.uniqueSort(results);
						}
					}

					// Override manipulation of globals by nested matchers
					if(outermost) {
						dirruns = dirrunsUnique;
						outermostContext = contextBackup;
					}

					return unmatched;
				};

			return bySet ?
				markFunction(superMatcher) :
				superMatcher;
		}

		compile = Sizzle.compile = function(selector, group /* Internal Use Only */ ) {
			var i,
				setMatchers = [],
				elementMatchers = [],
				cached = compilerCache[selector + " "];

			if(!cached) {
				// Generate a function of recursive functions that can be used to check each element
				if(!group) {
					group = tokenize(selector);
				}
				i = group.length;
				while(i--) {
					cached = matcherFromTokens(group[i]);
					if(cached[expando]) {
						setMatchers.push(cached);
					} else {
						elementMatchers.push(cached);
					}
				}
				// Cache the compiled function
				cached = compilerCache(selector, matcherFromGroupMatchers(elementMatchers, setMatchers));
			}
			return cached;
		};

		function multipleContexts(selector, contexts, results) {
			var i = 0,
				len = contexts.length;
			for(; i < len; i++) {
				Sizzle(selector, contexts[i], results);
			}
			return results;
		}

		function select(selector, context, results, seed) {
			var i, tokens, token, type, find,
				match = tokenize(selector);

			if(!seed) {
				// Try to minimize operations if there is only one group
				if(match.length === 1) {

					// Take a shortcut and set the context if the root selector is an ID
					tokens = match[0] = match[0].slice(0);
					if(tokens.length > 2 && (token = tokens[0]).type === "ID" &&
						support.getById && context.nodeType === 9 && documentIsHTML &&
						Expr.relative[tokens[1].type]) {

						context = (Expr.find["ID"](token.matches[0].replace(runescape, funescape), context) || [])[0];
						if(!context) {
							return results;
						}
						selector = selector.slice(tokens.shift().value.length);
					}

					// Fetch a seed set for right-to-left matching
					i = matchExpr["needsContext"].test(selector) ? 0 : tokens.length;
					while(i--) {
						token = tokens[i];

						// Abort if we hit a combinator
						if(Expr.relative[(type = token.type)]) {
							break;
						}
						if((find = Expr.find[type])) {
							// Search, expanding context for leading sibling combinators
							if((seed = find(
									token.matches[0].replace(runescape, funescape),
									rsibling.test(tokens[0].type) && context.parentNode || context
								))) {

								// If seed is empty or no tokens remain, we can return early
								tokens.splice(i, 1);
								selector = seed.length && toSelector(tokens);
								if(!selector) {
									push.apply(results, seed);
									return results;
								}

								break;
							}
						}
					}
				}
			}

			// Compile and execute a filtering function
			// Provide `match` to avoid retokenization if we modified the selector above
			compile(selector, match)(
				seed,
				context, !documentIsHTML,
				results,
				rsibling.test(selector)
			);
			return results;
		}

		// One-time assignments

		// Sort stability
		support.sortStable = expando.split("").sort(sortOrder).join("") === expando;

		// Support: Chrome<14
		// Always assume duplicates if they aren't passed to the comparison function
		support.detectDuplicates = hasDuplicate;

		// Initialize against the default document
		setDocument();

		// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
		// Detached nodes confoundingly follow *each other*
		support.sortDetached = assert(function(div1) {
			// Should return 1, but returns 4 (following)
			return div1.compareDocumentPosition(document.createElement("div")) & 1;
		});

		// Support: IE<8
		// Prevent attribute/property "interpolation"
		// http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
		if(!assert(function(div) {
				div.innerHTML = "<a href='#'></a>";
				return div.firstChild.getAttribute("href") === "#";
			})) {
			addHandle("type|href|height|width", function(elem, name, isXML) {
				if(!isXML) {
					return elem.getAttribute(name, name.toLowerCase() === "type" ? 1 : 2);
				}
			});
		}

		// Support: IE<9
		// Use defaultValue in place of getAttribute("value")
		if(!support.attributes || !assert(function(div) {
				div.innerHTML = "<input/>";
				div.firstChild.setAttribute("value", "");
				return div.firstChild.getAttribute("value") === "";
			})) {
			addHandle("value", function(elem, name, isXML) {
				if(!isXML && elem.nodeName.toLowerCase() === "input") {
					return elem.defaultValue;
				}
			});
		}

		// Support: IE<9
		// Use getAttributeNode to fetch booleans when getAttribute lies
		if(!assert(function(div) {
				return div.getAttribute("disabled") == null;
			})) {
			addHandle(booleans, function(elem, name, isXML) {
				var val;
				if(!isXML) {
					return(val = elem.getAttributeNode(name)) && val.specified ?
						val.value :
						elem[name] === true ? name.toLowerCase() : null;
				}
			});
		}

		jQuery.find = Sizzle;
		jQuery.expr = Sizzle.selectors;
		jQuery.expr[":"] = jQuery.expr.pseudos;
		jQuery.unique = Sizzle.uniqueSort;
		jQuery.text = Sizzle.getText;
		jQuery.isXMLDoc = Sizzle.isXML;
		jQuery.contains = Sizzle.contains;

	})(window);
	// String to Object options format cache
	var optionsCache = {};

	// Convert String-formatted options into Object-formatted ones and store in cache
	function createOptions(options) {
		var object = optionsCache[options] = {};
		jQuery.each(options.match(core_rnotwhite) || [], function(_, flag) {
			object[flag] = true;
		});
		return object;
	}

	/*
	 * Create a callback list using the following parameters:
	 *
	 *	options: an optional list of space-separated options that will change how
	 *			the callback list behaves or a more traditional option object
	 *
	 * By default a callback list will act like an event callback list and can be
	 * "fired" multiple times.
	 *
	 * Possible options:
	 *
	 *	once:			will ensure the callback list can only be fired once (like a Deferred)
	 *
	 *	memory:			will keep track of previous values and will call any callback added
	 *					after the list has been fired right away with the latest "memorized"
	 *					values (like a Deferred)
	 *
	 *	unique:			will ensure a callback can only be added once (no duplicate in the list)
	 *
	 *	stopOnFalse:	interrupt callings when a callback returns false
	 *
	 */
	jQuery.Callbacks = function(options) {

		// Convert options from String-formatted to Object-formatted if needed
		// (we check in cache first)
		options = typeof options === "string" ?
			(optionsCache[options] || createOptions(options)) :
			jQuery.extend({}, options);

		var // Last fire value (for non-forgettable lists)
			memory,
			// Flag to know if list was already fired
			fired,
			// Flag to know if list is currently firing
			firing,
			// First callback to fire (used internally by add and fireWith)
			firingStart,
			// End of the loop when firing
			firingLength,
			// Index of currently firing callback (modified by remove if needed)
			firingIndex,
			// Actual callback list
			list = [],
			// Stack of fire calls for repeatable lists
			stack = !options.once && [],
			// Fire callbacks
			fire = function(data) {
				memory = options.memory && data;
				fired = true;
				firingIndex = firingStart || 0;
				firingStart = 0;
				firingLength = list.length;
				firing = true;
				for(; list && firingIndex < firingLength; firingIndex++) {
					if(list[firingIndex].apply(data[0], data[1]) === false && options.stopOnFalse) {
						memory = false; // To prevent further calls using add
						break;
					}
				}
				firing = false;
				if(list) {
					if(stack) {
						if(stack.length) {
							fire(stack.shift());
						}
					} else if(memory) {
						list = [];
					} else {
						self.disable();
					}
				}
			},
			// Actual Callbacks object
			self = {
				// Add a callback or a collection of callbacks to the list
				add: function() {
					if(list) {
						// First, we save the current length
						var start = list.length;
						(function add(args) {
							jQuery.each(args, function(_, arg) {
								var type = jQuery.type(arg);
								if(type === "function") {
									if(!options.unique || !self.has(arg)) {
										list.push(arg);
									}
								} else if(arg && arg.length && type !== "string") {
									// Inspect recursively
									add(arg);
								}
							});
						})(arguments);
						// Do we need to add the callbacks to the
						// current firing batch?
						if(firing) {
							firingLength = list.length;
							// With memory, if we're not firing then
							// we should call right away
						} else if(memory) {
							firingStart = start;
							fire(memory);
						}
					}
					return this;
				},
				// Remove a callback from the list
				remove: function() {
					if(list) {
						jQuery.each(arguments, function(_, arg) {
							var index;
							while((index = jQuery.inArray(arg, list, index)) > -1) {
								list.splice(index, 1);
								// Handle firing indexes
								if(firing) {
									if(index <= firingLength) {
										firingLength--;
									}
									if(index <= firingIndex) {
										firingIndex--;
									}
								}
							}
						});
					}
					return this;
				},
				// Check if a given callback is in the list.
				// If no argument is given, return whether or not list has callbacks attached.
				has: function(fn) {
					return fn ? jQuery.inArray(fn, list) > -1 : !!(list && list.length);
				},
				// Remove all callbacks from the list
				empty: function() {
					list = [];
					firingLength = 0;
					return this;
				},
				// Have the list do nothing anymore
				disable: function() {
					list = stack = memory = undefined;
					return this;
				},
				// Is it disabled?
				disabled: function() {
					return !list;
				},
				// Lock the list in its current state
				lock: function() {
					stack = undefined;
					if(!memory) {
						self.disable();
					}
					return this;
				},
				// Is it locked?
				locked: function() {
					return !stack;
				},
				// Call all callbacks with the given context and arguments
				fireWith: function(context, args) {
					if(list && (!fired || stack)) {
						args = args || [];
						args = [context, args.slice ? args.slice() : args];
						if(firing) {
							stack.push(args);
						} else {
							fire(args);
						}
					}
					return this;
				},
				// Call all the callbacks with the given arguments
				fire: function() {
					self.fireWith(this, arguments);
					return this;
				},
				// To know if the callbacks have already been called at least once
				fired: function() {
					return !!fired;
				}
			};

		return self;
	};
	jQuery.extend({

		Deferred: function(func) {
			var tuples = [
					// action, add listener, listener list, final state
					["resolve", "done", jQuery.Callbacks("once memory"), "resolved"],
					["reject", "fail", jQuery.Callbacks("once memory"), "rejected"],
					["notify", "progress", jQuery.Callbacks("memory")]
				],
				state = "pending",
				promise = {
					state: function() {
						return state;
					},
					always: function() {
						deferred.done(arguments).fail(arguments);
						return this;
					},
					then: function( /* fnDone, fnFail, fnProgress */ ) {
						var fns = arguments;
						return jQuery.Deferred(function(newDefer) {
							jQuery.each(tuples, function(i, tuple) {
								var action = tuple[0],
									fn = jQuery.isFunction(fns[i]) && fns[i];
								// deferred[ done | fail | progress ] for forwarding actions to newDefer
								deferred[tuple[1]](function() {
									var returned = fn && fn.apply(this, arguments);
									if(returned && jQuery.isFunction(returned.promise)) {
										returned.promise()
											.done(newDefer.resolve)
											.fail(newDefer.reject)
											.progress(newDefer.notify);
									} else {
										newDefer[action + "With"](this === promise ? newDefer.promise() : this, fn ? [returned] : arguments);
									}
								});
							});
							fns = null;
						}).promise();
					},
					// Get a promise for this deferred
					// If obj is provided, the promise aspect is added to the object
					promise: function(obj) {
						return obj != null ? jQuery.extend(obj, promise) : promise;
					}
				},
				deferred = {};

			// Keep pipe for back-compat
			promise.pipe = promise.then;

			// Add list-specific methods
			jQuery.each(tuples, function(i, tuple) {
				var list = tuple[2],
					stateString = tuple[3];

				// promise[ done | fail | progress ] = list.add
				promise[tuple[1]] = list.add;

				// Handle state
				if(stateString) {
					list.add(function() {
						// state = [ resolved | rejected ]
						state = stateString;

						// [ reject_list | resolve_list ].disable; progress_list.lock
					}, tuples[i ^ 1][2].disable, tuples[2][2].lock);
				}

				// deferred[ resolve | reject | notify ]
				deferred[tuple[0]] = function() {
					deferred[tuple[0] + "With"](this === deferred ? promise : this, arguments);
					return this;
				};
				deferred[tuple[0] + "With"] = list.fireWith;
			});

			// Make the deferred a promise
			promise.promise(deferred);

			// Call given func if any
			if(func) {
				func.call(deferred, deferred);
			}

			// All done!
			return deferred;
		},

		// Deferred helper
		when: function(subordinate /* , ..., subordinateN */ ) {
			var i = 0,
				resolveValues = core_slice.call(arguments),
				length = resolveValues.length,

				// the count of uncompleted subordinates
				remaining = length !== 1 || (subordinate && jQuery.isFunction(subordinate.promise)) ? length : 0,

				// the master Deferred. If resolveValues consist of only a single Deferred, just use that.
				deferred = remaining === 1 ? subordinate : jQuery.Deferred(),

				// Update function for both resolve and progress values
				updateFunc = function(i, contexts, values) {
					return function(value) {
						contexts[i] = this;
						values[i] = arguments.length > 1 ? core_slice.call(arguments) : value;
						if(values === progressValues) {
							deferred.notifyWith(contexts, values);
						} else if(!(--remaining)) {
							deferred.resolveWith(contexts, values);
						}
					};
				},

				progressValues, progressContexts, resolveContexts;

			// add listeners to Deferred subordinates; treat others as resolved
			if(length > 1) {
				progressValues = new Array(length);
				progressContexts = new Array(length);
				resolveContexts = new Array(length);
				for(; i < length; i++) {
					if(resolveValues[i] && jQuery.isFunction(resolveValues[i].promise)) {
						resolveValues[i].promise()
							.done(updateFunc(i, resolveContexts, resolveValues))
							.fail(deferred.reject)
							.progress(updateFunc(i, progressContexts, progressValues));
					} else {
						--remaining;
					}
				}
			}

			// if we're not waiting on anything, resolve the master
			if(!remaining) {
				deferred.resolveWith(resolveContexts, resolveValues);
			}

			return deferred.promise();
		}
	});

	// 浏览器各自特性和bug的属性集合，功能特性检测/支持
	jQuery.support = (function(support) {
		var input = document.createElement("input"),
			fragment = document.createDocumentFragment(),
			div = document.createElement("div"),
			select = document.createElement("select"),
			opt = select.appendChild(document.createElement("option"));

		if(!input.type) {
			return support;
		}

		input.type = "checkbox";

		// Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
		// Check the default checkbox/radio value ("" on old WebKit; "on" elsewhere)
		support.checkOn = input.value !== "";

		// Must access the parent to make an option select properly
		// Support: IE9, IE10
		support.optSelected = opt.selected;

		// Will be defined later
		support.reliableMarginRight = true;
		support.boxSizingReliable = true;
		support.pixelPosition = false;

		// Make sure checked status is properly cloned
		// Support: IE9, IE10
		input.checked = true;
		support.noCloneChecked = input.cloneNode(true).checked;

		// Make sure that the options inside disabled selects aren't marked as disabled
		// (WebKit marks them as disabled)
		select.disabled = true;
		support.optDisabled = !opt.disabled;

		// Check if an input maintains its value after becoming a radio
		// Support: IE9, IE10
		input = document.createElement("input");
		input.value = "t";
		input.type = "radio";
		support.radioValue = input.value === "t";

		// #11217 - WebKit loses check when the name is after the checked attribute
		input.setAttribute("checked", "t");
		input.setAttribute("name", "t");

		fragment.appendChild(input);

		// Support: Safari 5.1, Android 4.x, Android 2.3
		// old WebKit doesn't clone checked state correctly in fragments
		support.checkClone = fragment.cloneNode(true).cloneNode(true).lastChild.checked;

		// Support: Firefox, Chrome, Safari
		// Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
		support.focusinBubbles = "onfocusin" in window;

		div.style.backgroundClip = "content-box";
		div.cloneNode(true).style.backgroundClip = "";
		support.clearCloneStyle = div.style.backgroundClip === "content-box";

		// Run tests that need a body at doc ready
		jQuery(function() {
			var container, marginDiv,
				// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
				divReset = "padding:0;margin:0;border:0;display:block;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box",
				body = document.getElementsByTagName("body")[0];

			if(!body) {
				// Return for frameset docs that don't have a body
				return;
			}

			container = document.createElement("div");
			container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";

			// Check box-sizing and margin behavior.
			body.appendChild(container).appendChild(div);
			div.innerHTML = "";
			// Support: Firefox, Android 2.3 (Prefixed box-sizing versions).
			div.style.cssText = "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%";

			// Workaround failing boxSizing test due to offsetWidth returning wrong value
			// with some non-1 values of body zoom, ticket #13543
			jQuery.swap(body, body.style.zoom != null ? {
				zoom: 1
			} : {}, function() {
				support.boxSizing = div.offsetWidth === 4;
			});

			// Use window.getComputedStyle because jsdom on node.js will break without it.
			if(window.getComputedStyle) {
				support.pixelPosition = (window.getComputedStyle(div, null) || {}).top !== "1%";
				support.boxSizingReliable = (window.getComputedStyle(div, null) || {
					width: "4px"
				}).width === "4px";

				// Support: Android 2.3
				// Check if div with explicit width and no margin-right incorrectly
				// gets computed margin-right based on width of container. (#3333)
				// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
				marginDiv = div.appendChild(document.createElement("div"));
				marginDiv.style.cssText = div.style.cssText = divReset;
				marginDiv.style.marginRight = marginDiv.style.width = "0";
				div.style.width = "1px";

				support.reliableMarginRight = !parseFloat((window.getComputedStyle(marginDiv, null) || {}).marginRight);
			}

			body.removeChild(container);
		});

		return support;
	})({});

	/*
	Implementation Summary

	1. Enforce API surface and semantic compatibility with 1.9.x branch
	2. Improve the module's maintainability by reducing the storage
		paths to a single mechanism.
	3. Use the same single mechanism to support "private" and "user" data.
	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
	5. Avoid exposing implementation details on user objects (eg. expando properties)
	6. Provide a clear path for implementation upgrade to WeakMap in 2014
*/
	var data_user, data_priv,
		rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
		rmultiDash = /([A-Z])/g;

	function Data() {
		// Support: Android < 4,
		// Old WebKit does not have Object.preventExtensions/freeze method,
		// return new empty object instead with no [[set]] accessor
		Object.defineProperty(this.cache = {}, 0, {
			get: function() {
				return {};
			}
		});

		this.expando = jQuery.expando + Math.random();
	}

	Data.uid = 1;

	Data.accepts = function(owner) {
		// Accepts only:
		//  - Node
		//    - Node.ELEMENT_NODE
		//    - Node.DOCUMENT_NODE
		//  - Object
		//    - Any
		return owner.nodeType ?
			owner.nodeType === 1 || owner.nodeType === 9 : true;
	};

	Data.prototype = {
		key: function(owner) {
			// We can accept data for non-element nodes in modern browsers,
			// but we should not, see #8335.
			// Always return the key for a frozen object.
			if(!Data.accepts(owner)) {
				return 0;
			}

			var descriptor = {},
				// Check if the owner object already has a cache key
				unlock = owner[this.expando];

			// If not, create one
			if(!unlock) {
				unlock = Data.uid++;

				// Secure it in a non-enumerable, non-writable property
				try {
					descriptor[this.expando] = {
						value: unlock
					};
					Object.defineProperties(owner, descriptor);

					// Support: Android < 4
					// Fallback to a less secure definition
				} catch(e) {
					descriptor[this.expando] = unlock;
					jQuery.extend(owner, descriptor);
				}
			}

			// Ensure the cache object
			if(!this.cache[unlock]) {
				this.cache[unlock] = {};
			}

			return unlock;
		},
		set: function(owner, data, value) {
			var prop,
				// There may be an unlock assigned to this node,
				// if there is no entry for this "owner", create one inline
				// and set the unlock as though an owner entry had always existed
				unlock = this.key(owner),
				cache = this.cache[unlock];

			// Handle: [ owner, key, value ] args
			if(typeof data === "string") {
				cache[data] = value;

				// Handle: [ owner, { properties } ] args
			} else {
				// Fresh assignments by object are shallow copied
				if(jQuery.isEmptyObject(cache)) {
					jQuery.extend(this.cache[unlock], data);
					// Otherwise, copy the properties one-by-one to the cache object
				} else {
					for(prop in data) {
						cache[prop] = data[prop];
					}
				}
			}
			return cache;
		},
		get: function(owner, key) {
			// Either a valid cache is found, or will be created.
			// New caches will be created and the unlock returned,
			// allowing direct access to the newly created
			// empty data object. A valid owner object must be provided.
			var cache = this.cache[this.key(owner)];

			return key === undefined ?
				cache : cache[key];
		},
		access: function(owner, key, value) {
			var stored;
			// In cases where either:
			//
			//   1. No key was specified
			//   2. A string key was specified, but no value provided
			//
			// Take the "read" path and allow the get method to determine
			// which value to return, respectively either:
			//
			//   1. The entire cache object
			//   2. The data stored at the key
			//
			if(key === undefined ||
				((key && typeof key === "string") && value === undefined)) {

				stored = this.get(owner, key);

				return stored !== undefined ?
					stored : this.get(owner, jQuery.camelCase(key));
			}

			// [*]When the key is not a string, or both a key and value
			// are specified, set or extend (existing objects) with either:
			//
			//   1. An object of properties
			//   2. A key and value
			//
			this.set(owner, key, value);

			// Since the "set" path can have two possible entry points
			// return the expected data based on which path was taken[*]
			return value !== undefined ? value : key;
		},
		remove: function(owner, key) {
			var i, name, camel,
				unlock = this.key(owner),
				cache = this.cache[unlock];

			if(key === undefined) {
				this.cache[unlock] = {};

			} else {
				// Support array or space separated string of keys
				if(jQuery.isArray(key)) {
					// If "name" is an array of keys...
					// When data is initially created, via ("key", "val") signature,
					// keys will be converted to camelCase.
					// Since there is no way to tell _how_ a key was added, remove
					// both plain key and camelCase key. #12786
					// This will only penalize the array argument path.
					name = key.concat(key.map(jQuery.camelCase));
				} else {
					camel = jQuery.camelCase(key);
					// Try the string as a key before any manipulation
					if(key in cache) {
						name = [key, camel];
					} else {
						// If a key with the spaces exists, use it.
						// Otherwise, create an array by matching non-whitespace
						name = camel;
						name = name in cache ? [name] : (name.match(core_rnotwhite) || []);
					}
				}

				i = name.length;
				while(i--) {
					delete cache[name[i]];
				}
			}
		},
		hasData: function(owner) {
			return !jQuery.isEmptyObject(
				this.cache[owner[this.expando]] || {}
			);
		},
		discard: function(owner) {
			if(owner[this.expando]) {
				delete this.cache[owner[this.expando]];
			}
		}
	};

	// These may be used throughout the jQuery core codebase
	data_user = new Data();
	data_priv = new Data();

	jQuery.extend({
		acceptData: Data.accepts,

		hasData: function(elem) {
			return data_user.hasData(elem) || data_priv.hasData(elem);
		},

		data: function(elem, name, data) {
			return data_user.access(elem, name, data);
		},

		removeData: function(elem, name) {
			data_user.remove(elem, name);
		},

		// TODO: Now that all calls to _data and _removeData have been replaced
		// with direct calls to data_priv methods, these can be deprecated.
		_data: function(elem, name, data) {
			return data_priv.access(elem, name, data);
		},

		_removeData: function(elem, name) {
			data_priv.remove(elem, name);
		}
	});

	jQuery.fn.extend({
		data: function(key, value) {
			var attrs, name,
				elem = this[0],
				i = 0,
				data = null;

			// Gets all values
			if(key === undefined) {
				if(this.length) {
					data = data_user.get(elem);

					if(elem.nodeType === 1 && !data_priv.get(elem, "hasDataAttrs")) {
						attrs = elem.attributes;
						for(; i < attrs.length; i++) {
							name = attrs[i].name;

							if(name.indexOf("data-") === 0) {
								name = jQuery.camelCase(name.slice(5));
								dataAttr(elem, name, data[name]);
							}
						}
						data_priv.set(elem, "hasDataAttrs", true);
					}
				}

				return data;
			}

			// Sets multiple values
			if(typeof key === "object") {
				return this.each(function() {
					data_user.set(this, key);
				});
			}

			return jQuery.access(this, function(value) {
				var data,
					camelKey = jQuery.camelCase(key);

				// The calling jQuery object (element matches) is not empty
				// (and therefore has an element appears at this[ 0 ]) and the
				// `value` parameter was not undefined. An empty jQuery object
				// will result in `undefined` for elem = this[ 0 ] which will
				// throw an exception if an attempt to read a data cache is made.
				if(elem && value === undefined) {
					// Attempt to get data from the cache
					// with the key as-is
					data = data_user.get(elem, key);
					if(data !== undefined) {
						return data;
					}

					// Attempt to get data from the cache
					// with the key camelized
					data = data_user.get(elem, camelKey);
					if(data !== undefined) {
						return data;
					}

					// Attempt to "discover" the data in
					// HTML5 custom data-* attrs
					data = dataAttr(elem, camelKey, undefined);
					if(data !== undefined) {
						return data;
					}

					// We tried really hard, but the data doesn't exist.
					return;
				}

				// Set the data...
				this.each(function() {
					// First, attempt to store a copy or reference of any
					// data that might've been store with a camelCased key.
					var data = data_user.get(this, camelKey);

					// For HTML5 data-* attribute interop, we have to
					// store property names with dashes in a camelCase form.
					// This might not apply to all properties...*
					data_user.set(this, camelKey, value);

					// *... In the case of properties that might _actually_
					// have dashes, we need to also store a copy of that
					// unchanged property.
					if(key.indexOf("-") !== -1 && data !== undefined) {
						data_user.set(this, key, value);
					}
				});
			}, null, value, arguments.length > 1, null, true);
		},

		removeData: function(key) {
			return this.each(function() {
				data_user.remove(this, key);
			});
		}
	});

	function dataAttr(elem, key, data) {
		var name;

		// If nothing was found internally, try to fetch any
		// data from the HTML5 data-* attribute
		if(data === undefined && elem.nodeType === 1) {
			name = "data-" + key.replace(rmultiDash, "-$1").toLowerCase();
			data = elem.getAttribute(name);

			if(typeof data === "string") {
				try {
					data = data === "true" ? true :
						data === "false" ? false :
						data === "null" ? null :
						// Only convert to a number if it doesn't change the string
						+data + "" === data ? +data :
						rbrace.test(data) ? JSON.parse(data) :
						data;
				} catch(e) {}

				// Make sure we set the data so it isn't changed later
				data_user.set(elem, key, data);
			} else {
				data = undefined;
			}
		}
		return data;
	}
	jQuery.extend({
		queue: function(elem, type, data) {
			var queue;

			if(elem) {
				type = (type || "fx") + "queue";
				queue = data_priv.get(elem, type);

				// Speed up dequeue by getting out quickly if this is just a lookup
				if(data) {
					if(!queue || jQuery.isArray(data)) {
						queue = data_priv.access(elem, type, jQuery.makeArray(data));
					} else {
						queue.push(data);
					}
				}
				return queue || [];
			}
		},

		dequeue: function(elem, type) {
			type = type || "fx";

			var queue = jQuery.queue(elem, type),
				startLength = queue.length,
				fn = queue.shift(),
				hooks = jQuery._queueHooks(elem, type),
				next = function() {
					jQuery.dequeue(elem, type);
				};

			// If the fx queue is dequeued, always remove the progress sentinel
			if(fn === "inprogress") {
				fn = queue.shift();
				startLength--;
			}

			if(fn) {

				// Add a progress sentinel to prevent the fx queue from being
				// automatically dequeued
				if(type === "fx") {
					queue.unshift("inprogress");
				}

				// clear up the last queue stop function
				delete hooks.stop;
				fn.call(elem, next, hooks);
			}

			if(!startLength && hooks) {
				hooks.empty.fire();
			}
		},

		// not intended for public consumption - generates a queueHooks object, or returns the current one
		_queueHooks: function(elem, type) {
			var key = type + "queueHooks";
			return data_priv.get(elem, key) || data_priv.access(elem, key, {
				empty: jQuery.Callbacks("once memory").add(function() {
					data_priv.remove(elem, [type + "queue", key]);
				})
			});
		}
	});

	jQuery.fn.extend({
		queue: function(type, data) {
			var setter = 2;

			if(typeof type !== "string") {
				data = type;
				type = "fx";
				setter--;
			}

			if(arguments.length < setter) {
				return jQuery.queue(this[0], type);
			}

			return data === undefined ?
				this :
				this.each(function() {
					var queue = jQuery.queue(this, type, data);

					// ensure a hooks for this queue
					jQuery._queueHooks(this, type);

					if(type === "fx" && queue[0] !== "inprogress") {
						jQuery.dequeue(this, type);
					}
				});
		},
		dequeue: function(type) {
			return this.each(function() {
				jQuery.dequeue(this, type);
			});
		},
		// Based off of the plugin by Clint Helfers, with permission.
		// http://blindsignals.com/index.php/2009/07/jquery-delay/
		delay: function(time, type) {
			time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
			type = type || "fx";

			return this.queue(type, function(next, hooks) {
				var timeout = setTimeout(next, time);
				hooks.stop = function() {
					clearTimeout(timeout);
				};
			});
		},
		clearQueue: function(type) {
			return this.queue(type || "fx", []);
		},
		// Get a promise resolved when queues of a certain type
		// are emptied (fx is the type by default)
		promise: function(type, obj) {
			var tmp,
				count = 1,
				defer = jQuery.Deferred(),
				elements = this,
				i = this.length,
				resolve = function() {
					if(!(--count)) {
						defer.resolveWith(elements, [elements]);
					}
				};

			if(typeof type !== "string") {
				obj = type;
				type = undefined;
			}
			type = type || "fx";

			while(i--) {
				tmp = data_priv.get(elements[i], type + "queueHooks");
				if(tmp && tmp.empty) {
					count++;
					tmp.empty.add(resolve);
				}
			}
			resolve();
			return defer.promise(obj);
		}
	});
	var nodeHook, boolHook,
		rclass = /[\t\r\n\f]/g,
		rreturn = /\r/g,
		rfocusable = /^(?:input|select|textarea|button)$/i;

	jQuery.fn.extend({
		attr: function(name, value) {
			return jQuery.access(this, jQuery.attr, name, value, arguments.length > 1);
		},

		removeAttr: function(name) {
			return this.each(function() {
				jQuery.removeAttr(this, name);
			});
		},

		prop: function(name, value) {
			return jQuery.access(this, jQuery.prop, name, value, arguments.length > 1);
		},

		removeProp: function(name) {
			return this.each(function() {
				delete this[jQuery.propFix[name] || name];
			});
		},

		// 为匹配的每个元素增加指定的class(es)
		addClass: function(value) {
			var classes, elem, cur, clazz, j,
				i = 0,
				len = this.length,
				proceed = typeof value === "string" && value;

			//如果传递的是回调函数，递归调用  ⑴
			if(jQuery.isFunction(value)) {
				return this.each(function(j) {
					//value.call( this, j, this.className )
					jQuery(this).addClass(value.call(this, j, this.className));
				});
			}

			if(proceed) {
				// The disjunction here is for better compressibility (see removeClass)
				//分解下样式规则,通过正则/\S+/g 空白分组
				// classes [
				//    0: "highlight"
				// ]                               ⑵
				classes = (value || "").match(core_rnotwhite) || [];

				for(; i < len; i++) {
					elem = this[i];
					//如果元素本身存在class样式，先取出来     ⑷
					cur = elem.nodeType === 1 && (elem.className ?
						(" " + elem.className + " ").replace(rclass, " ") :
						" "
					);

					if(cur) { //组合成新的规则按照空格分开  ⑸
						j = 0;
						while((clazz = classes[j++])) {
							if(cur.indexOf(" " + clazz + " ") < 0) {
								cur += clazz + " ";
							}
						}
						//设置样式  ⑹
						elem.className = jQuery.trim(cur);

					}
				}
			}

			return this;
		},

		removeClass: function(value) {
			var classes, elem, cur, clazz, j,
				i = 0,
				len = this.length,
				proceed = arguments.length === 0 || typeof value === "string" && value;

			if(jQuery.isFunction(value)) {
				return this.each(function(j) {
					jQuery(this).removeClass(value.call(this, j, this.className));
				});
			}
			if(proceed) {
				classes = (value || "").match(core_rnotwhite) || [];

				for(; i < len; i++) {
					elem = this[i];
					// This expression is here for better compressibility (see addClass)
					cur = elem.nodeType === 1 && (elem.className ?
						(" " + elem.className + " ").replace(rclass, " ") :
						""
					);

					if(cur) {
						j = 0;
						while((clazz = classes[j++])) {
							// Remove *all* instances
							while(cur.indexOf(" " + clazz + " ") >= 0) {
								cur = cur.replace(" " + clazz + " ", " ");
							}
						}
						elem.className = value ? jQuery.trim(cur) : "";
					}
				}
			}

			return this;
		},

		toggleClass: function(value, stateVal) {
			var type = typeof value;

			if(typeof stateVal === "boolean" && type === "string") {
				return stateVal ? this.addClass(value) : this.removeClass(value);
			}

			if(jQuery.isFunction(value)) {
				return this.each(function(i) {
					jQuery(this).toggleClass(value.call(this, i, this.className, stateVal), stateVal);
				});
			}

			return this.each(function() {
				if(type === "string") {
					// toggle individual class names
					var className,
						i = 0,
						self = jQuery(this),
						classNames = value.match(core_rnotwhite) || [];

					while((className = classNames[i++])) {
						// check each className given, space separated list
						if(self.hasClass(className)) {
							self.removeClass(className);
						} else {
							self.addClass(className);
						}
					}

					// Toggle whole class name
				} else if(type === core_strundefined || type === "boolean") {
					if(this.className) {
						// store className if set
						data_priv.set(this, "__className__", this.className);
					}

					// If the element has a class name or if we're passed "false",
					// then remove the whole classname (if there was one, the above saved it).
					// Otherwise bring back whatever was previously saved (if anything),
					// falling back to the empty string if nothing was stored.
					this.className = this.className || value === false ? "" : data_priv.get(this, "__className__") || "";
				}
			});
		},

		hasClass: function(selector) {
			var className = " " + selector + " ",
				i = 0,
				l = this.length;
			for(; i < l; i++) {
				if(this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf(className) >= 0) {
					return true;
				}
			}

			return false;
		},

		val: function(value) {
			var hooks, ret, isFunction,
				elem = this[0];

			if(!arguments.length) {
				if(elem) {
					hooks = jQuery.valHooks[elem.type] || jQuery.valHooks[elem.nodeName.toLowerCase()];

					if(hooks && "get" in hooks && (ret = hooks.get(elem, "value")) !== undefined) {
						return ret;
					}

					ret = elem.value;

					return typeof ret === "string" ?
						// handle most common string cases
						ret.replace(rreturn, "") :
						// handle cases where value is null/undef or number
						ret == null ? "" : ret;
				}

				return;
			}

			isFunction = jQuery.isFunction(value);

			return this.each(function(i) {
				var val;

				if(this.nodeType !== 1) {
					return;
				}

				if(isFunction) {
					val = value.call(this, i, jQuery(this).val());
				} else {
					val = value;
				}

				// Treat null/undefined as ""; convert numbers to string
				if(val == null) {
					val = "";
				} else if(typeof val === "number") {
					val += "";
				} else if(jQuery.isArray(val)) {
					val = jQuery.map(val, function(value) {
						return value == null ? "" : value + "";
					});
				}

				hooks = jQuery.valHooks[this.type] || jQuery.valHooks[this.nodeName.toLowerCase()];

				// If set returns undefined, fall back to normal setting
				if(!hooks || !("set" in hooks) || hooks.set(this, val, "value") === undefined) {
					this.value = val;
				}
			});
		}
	});

	jQuery.extend({
		valHooks: {
			option: {
				get: function(elem) {
					// attributes.value is undefined in Blackberry 4.7 but
					// uses .value. See #6932
					var val = elem.attributes.value;
					return !val || val.specified ? elem.value : elem.text;
				}
			},
			select: {
				get: function(elem) {
					var value, option,
						options = elem.options,
						index = elem.selectedIndex,
						one = elem.type === "select-one" || index < 0,
						values = one ? null : [],
						max = one ? index + 1 : options.length,
						i = index < 0 ?
						max :
						one ? index : 0;

					// Loop through all the selected options
					for(; i < max; i++) {
						option = options[i];

						// IE6-9 doesn't update selected after form reset (#2551)
						if((option.selected || i === index) &&
							// Don't return options that are disabled or in a disabled optgroup
							(jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) &&
							(!option.parentNode.disabled || !jQuery.nodeName(option.parentNode, "optgroup"))) {

							// Get the specific value for the option
							value = jQuery(option).val();

							// We don't need an array for one selects
							if(one) {
								return value;
							}

							// Multi-Selects return an array
							values.push(value);
						}
					}

					return values;
				},

				set: function(elem, value) {
					var optionSet, option,
						options = elem.options,
						values = jQuery.makeArray(value),
						i = options.length;

					while(i--) {
						option = options[i];
						if((option.selected = jQuery.inArray(jQuery(option).val(), values) >= 0)) {
							optionSet = true;
						}
					}

					// force browsers to behave consistently when non-matching value is set
					if(!optionSet) {
						elem.selectedIndex = -1;
					}
					return values;
				}
			}
		},

		attr: function(elem, name, value) {
			var hooks, ret,
				nType = elem.nodeType;

			// don't get/set attributes on text, comment and attribute nodes
			if(!elem || nType === 3 || nType === 8 || nType === 2) {
				return;
			}

			// Fallback to prop when attributes are not supported
			if(typeof elem.getAttribute === core_strundefined) {
				return jQuery.prop(elem, name, value);
			}

			// All attributes are lowercase
			// Grab necessary hook if one is defined
			if(nType !== 1 || !jQuery.isXMLDoc(elem)) {
				name = name.toLowerCase();
				hooks = jQuery.attrHooks[name] ||
					(jQuery.expr.match.bool.test(name) ? boolHook : nodeHook);
			}

			if(value !== undefined) {

				if(value === null) {
					jQuery.removeAttr(elem, name);

				} else if(hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined) {
					return ret;

				} else {
					elem.setAttribute(name, value + "");
					return value;
				}

			} else if(hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null) {
				return ret;

			} else {
				ret = jQuery.find.attr(elem, name);

				// Non-existent attributes return null, we normalize to undefined
				return ret == null ?
					undefined :
					ret;
			}
		},

		removeAttr: function(elem, value) {
			var name, propName,
				i = 0,
				attrNames = value && value.match(core_rnotwhite);

			if(attrNames && elem.nodeType === 1) {
				while((name = attrNames[i++])) {
					propName = jQuery.propFix[name] || name;

					// Boolean attributes get special treatment (#10870)
					if(jQuery.expr.match.bool.test(name)) {
						// Set corresponding property to false
						elem[propName] = false;
					}

					elem.removeAttribute(name);
				}
			}
		},

		attrHooks: {
			type: {
				set: function(elem, value) {
					if(!jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input")) {
						// Setting the type on a radio button after the value resets the value in IE6-9
						// Reset value to default in case type is set after value during creation
						var val = elem.value;
						elem.setAttribute("type", value);
						if(val) {
							elem.value = val;
						}
						return value;
					}
				}
			}
		},

		propFix: {
			"for": "htmlFor",
			"class": "className"
		},

		prop: function(elem, name, value) {
			var ret, hooks, notxml,
				nType = elem.nodeType;

			// don't get/set properties on text, comment and attribute nodes
			if(!elem || nType === 3 || nType === 8 || nType === 2) {
				return;
			}

			notxml = nType !== 1 || !jQuery.isXMLDoc(elem);

			if(notxml) {
				// Fix name and attach hooks
				name = jQuery.propFix[name] || name;
				hooks = jQuery.propHooks[name];
			}

			if(value !== undefined) {
				return hooks && "set" in hooks && (ret = hooks.set(elem, value, name)) !== undefined ?
					ret :
					(elem[name] = value);

			} else {
				return hooks && "get" in hooks && (ret = hooks.get(elem, name)) !== null ?
					ret :
					elem[name];
			}
		},

		propHooks: {
			tabIndex: {
				get: function(elem) {
					return elem.hasAttribute("tabindex") || rfocusable.test(elem.nodeName) || elem.href ?
						elem.tabIndex :
						-1;
				}
			}
		}
	});

	// Hooks for boolean attributes
	boolHook = {
		set: function(elem, value, name) {
			if(value === false) {
				// Remove boolean attributes when set to false
				jQuery.removeAttr(elem, name);
			} else {
				elem.setAttribute(name, name);
			}
			return name;
		}
	};
	jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g), function(i, name) {
		var getter = jQuery.expr.attrHandle[name] || jQuery.find.attr;

		jQuery.expr.attrHandle[name] = function(elem, name, isXML) {
			var fn = jQuery.expr.attrHandle[name],
				ret = isXML ?
				undefined :
				/* jshint eqeqeq: false */
				// Temporarily disable this handler to check existence
				(jQuery.expr.attrHandle[name] = undefined) !=
				getter(elem, name, isXML) ?

				name.toLowerCase() :
				null;

			// Restore handler
			jQuery.expr.attrHandle[name] = fn;

			return ret;
		};
	});

	// Support: IE9+
	// Selectedness for an option in an optgroup can be inaccurate
	if(!jQuery.support.optSelected) {
		jQuery.propHooks.selected = {
			get: function(elem) {
				var parent = elem.parentNode;
				if(parent && parent.parentNode) {
					parent.parentNode.selectedIndex;
				}
				return null;
			}
		};
	}

	jQuery.each([
		"tabIndex",
		"readOnly",
		"maxLength",
		"cellSpacing",
		"cellPadding",
		"rowSpan",
		"colSpan",
		"useMap",
		"frameBorder",
		"contentEditable"
	], function() {
		jQuery.propFix[this.toLowerCase()] = this;
	});

	// Radios and checkboxes getter/setter
	jQuery.each(["radio", "checkbox"], function() {
		jQuery.valHooks[this] = {
			set: function(elem, value) {
				if(jQuery.isArray(value)) {
					return(elem.checked = jQuery.inArray(jQuery(elem).val(), value) >= 0);
				}
			}
		};
		if(!jQuery.support.checkOn) {
			jQuery.valHooks[this].get = function(elem) {
				// Support: Webkit
				// "" is returned instead of "on" if a value isn't specified
				return elem.getAttribute("value") === null ? "on" : elem.value;
			};
		}
	});
	var rkeyEvent = /^key/,
		rmouseEvent = /^(?:mouse|contextmenu)|click/,
		rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
		rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;

	function returnTrue() {
		return true;
	}

	function returnFalse() {
		return false;
	}

	function safeActiveElement() {
		try {
			return document.activeElement;
		} catch(err) {}
	}

	/*
	 * Helper functions for managing events -- not part of the public interface.
	 * Props to Dean Edwards' addEvent library for many of the ideas.
	 */
	jQuery.event = {

		global: {},

		add: function(elem, types, handler, data, selector) {

			var handleObjIn, eventHandle, tmp,
				events, t, handleObj,
				special, handlers, type, namespaces, origType,
				//获取数据缓存
				elemData = data_priv.get(elem);

			// Don't attach events to noData or text/comment nodes (but allow plain objects)
			//检测状态，若为空数据、text或comment节点时，阻止绑定事件
			if(!elemData) {
				return;
			}

			// Caller can pass in an object of custom data in lieu of the handler
			// 一般在第一运行的时候，handler为事件处理函数,后面jQuery对handler做了一些包装
			// 检测handler是包含handler和selector的对象，包含说明handler是一个事件处理函数包
			if(handler.handler) {
				handleObjIn = handler;
				handler = handleObjIn.handler;
				selector = handleObjIn.selector;
			}

			// Make sure that the handler has a unique ID, used to find/remove it later
			//检测handler是否存在ID （guid），如果没有那么传给他一个ID
			//添加ID的目的是 用来寻找或者删除handler
			if(!handler.guid) {
				handler.guid = jQuery.guid++;
			}

			// Init the element's event structure and main handler, if this is the first
			// elemData:缓存的元素数据
			// events:事件处理程序 列队{type:[事件处理对象,事件处理对象]}
			// 检测缓存数据中没有events数据
			if(!(events = elemData.events)) {
				events = elemData.events = {};
			}

			// 如果缓存数据中没有handle数据 (此时handle为定义事件处理器)
			if(!(eventHandle = elemData.handle)) {
				eventHandle = elemData.handle = function(e) {
					// Discard the second event of a jQuery.event.trigger() and
					// when an event is called after a page has unloaded
					// typeof jQuery !== core_strundefined 检测jQuery是否被注销
					// 取消jQuery.event.trigger第二次触发事件
					// jQuery.event.dispatch 执行处理函数
					return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
						jQuery.event.dispatch.apply(eventHandle.elem, arguments) :
						undefined;
				};
				// Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
				// 定义事件处理器对应的元素，用于防止IE非原生事件中的内存泄露
				eventHandle.elem = elem;
			}

			// Handle multiple events separated by a space
			// jQuery(...).bind("mouseover mouseout", fn);
			// 事件可能是通过空格键分隔的字符串，所以将其变成字符串数组
			// core_rnotwhite:/\S+/g
			types = (types || "").match(core_rnotwhite) || [""];
			// 例如：'.a .b .c'.match(/\S+/g) → [".a", ".b", ".c"]
			// 事件的个数
			t = types.length;

			while(t--) {
				// 尝试取出事件的命名空间
				// 如"mouseover.a.b" → ["mouseover.a.b", "mouseover", "a.b"]
				tmp = rtypenamespace.exec(types[t]) || [];
				// 取出事件类型，如mouseover
				type = origType = tmp[1];
				// 取出事件命名空间，如a.b，并根据"."分隔成数组
				namespaces = (tmp[2] || "").split(".").sort();

				// There *must* be a type, no attaching namespace-only handlers
				if(!type) {
					continue;
				}

				// If event changes its type, use the special event handlers for the changed type
				// 事件是否会改变当前状态，如果会则使用特殊事件
				special = jQuery.event.special[type] || {};

				// If selector defined, determine special event api type, otherwise given type
				// 根据是否已定义selector，决定使用哪个特殊事件api，如果没有非特殊事件，则用type
				type = (selector ? special.delegateType : special.bindType) || type;

				// Update special based on newly reset type
				// type状态发生改变，重新定义特殊事件
				special = jQuery.event.special[type] || {};

				// handleObj is passed to all event handlers
				// 这里把handleObj叫做事件处理对象,扩展一些来着handleObjIn的属性
				handleObj = jQuery.extend({
					type: type,
					origType: origType,
					data: data,
					handler: handler,
					guid: handler.guid,
					selector: selector,
					needsContext: selector && jQuery.expr.match.needsContext.test(selector),
					namespace: namespaces.join(".")
				}, handleObjIn);

				// Init the event handler queue if we're the first
				// 初始化事件处理列队，如果是第一次使用，将执行语句
				if(!(handlers = events[type])) {
					handlers = events[type] = [];
					handlers.delegateCount = 0;

					// Only use addEventListener if the special events handler returns false
					// 如果获取特殊事件监听方法失败，则使用addEventListener进行添加事件
					if(!special.setup || special.setup.call(elem, data, namespaces, eventHandle) === false) {
						if(elem.addEventListener) {
							elem.addEventListener(type, eventHandle, false);
						}
					}
				}

				// 特殊事件使用add处理
				if(special.add) {
					special.add.call(elem, handleObj);
					// 设置事件处理函数的ID
					if(!handleObj.handler.guid) {
						handleObj.handler.guid = handler.guid;
					}
				}

				// Add to the element's handler list, delegates in front
				// 将事件处理对象推入处理列表，姑且定义为事件处理对象包
				if(selector) {
					handlers.splice(handlers.delegateCount++, 0, handleObj);
				} else {
					handlers.push(handleObj);
				}

				// Keep track of which events have ever been used, for event optimization
				// 表示事件曾经使用过，用于事件优化
				jQuery.event.global[type] = true;
			}

			// Nullify elem to prevent memory leaks in IE
			// 设置为null避免IE中循环引用导致的内存泄露
			elem = null;
		},

		// Detach an event or set of events from an element
		remove: function(elem, types, handler, selector, mappedTypes) {

			var j, origCount, tmp,
				events, t, handleObj,
				special, handlers, type, namespaces, origType,
				elemData = data_priv.hasData(elem) && data_priv.get(elem);

			if(!elemData || !(events = elemData.events)) {
				return;
			}

			// Once for each type.namespace in types; type may be omitted
			types = (types || "").match(core_rnotwhite) || [""];
			t = types.length;
			while(t--) {
				tmp = rtypenamespace.exec(types[t]) || [];
				type = origType = tmp[1];
				namespaces = (tmp[2] || "").split(".").sort();

				// Unbind all events (on this namespace, if provided) for the element
				if(!type) {
					for(type in events) {
						jQuery.event.remove(elem, type + types[t], handler, selector, true);
					}
					continue;
				}

				special = jQuery.event.special[type] || {};
				type = (selector ? special.delegateType : special.bindType) || type;
				handlers = events[type] || [];
				tmp = tmp[2] && new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)");

				// Remove matching events
				origCount = j = handlers.length;
				while(j--) {
					handleObj = handlers[j];

					if((mappedTypes || origType === handleObj.origType) &&
						(!handler || handler.guid === handleObj.guid) &&
						(!tmp || tmp.test(handleObj.namespace)) &&
						(!selector || selector === handleObj.selector || selector === "**" && handleObj.selector)) {
						handlers.splice(j, 1);

						if(handleObj.selector) {
							handlers.delegateCount--;
						}
						if(special.remove) {
							special.remove.call(elem, handleObj);
						}
					}
				}

				// Remove generic event handler if we removed something and no more handlers exist
				// (avoids potential for endless recursion during removal of special event handlers)
				if(origCount && !handlers.length) {
					if(!special.teardown || special.teardown.call(elem, namespaces, elemData.handle) === false) {
						jQuery.removeEvent(elem, type, elemData.handle);
					}

					delete events[type];
				}
			}

			// Remove the expando if it's no longer used
			if(jQuery.isEmptyObject(events)) {
				delete elemData.handle;
				data_priv.remove(elem, "events");
			}
		},

		/*模拟事件触发,为了让事件模型在各浏览器上表现一致 (并不推荐使用)
		 * @param {Object} event 事件对象 (原生Event事件对象将被转化为jQuery.Event对象)
		 * @param {Object} data 自定义传入到事件处理函数的数据
		 * @param {Object} elem HTML Element元素
		 * @param {Boolen} onlyHandlers 是否不冒泡 true 表示不冒泡  false表示冒泡
		 */
		trigger: function(event, data, elem, onlyHandlers) {

			var i, cur, tmp, bubbleType, ontype, handle, special,
				eventPath = [elem || document],
				type = core_hasOwn.call(event, "type") ? event.type : event,
				namespaces = core_hasOwn.call(event, "namespace") ? event.namespace.split(".") : [];

			cur = tmp = elem = elem || document;

			// Don't do events on text and comment nodes
			if(elem.nodeType === 3 || elem.nodeType === 8) {
				return;
			}

			// focus/blur morphs to focusin/out; ensure we're not firing them right now
			if(rfocusMorph.test(type + jQuery.event.triggered)) {
				return;
			}

			if(type.indexOf(".") >= 0) {
				// Namespaced trigger; create a regexp to match event type in handle()
				namespaces = type.split(".");
				type = namespaces.shift();
				namespaces.sort();
			}
			ontype = type.indexOf(":") < 0 && "on" + type;

			// Caller can pass in a jQuery.Event object, Object, or just an event type string
			event = event[jQuery.expando] ?
				event :
				new jQuery.Event(type, typeof event === "object" && event);

			// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
			event.isTrigger = onlyHandlers ? 2 : 3;
			event.namespace = namespaces.join(".");
			event.namespace_re = event.namespace ?
				new RegExp("(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)") :
				null;

			// Clean up the event in case it is being reused
			event.result = undefined;
			if(!event.target) {
				event.target = elem;
			}

			// Clone any incoming data and prepend the event, creating the handler arg list
			data = data == null ? [event] :
				jQuery.makeArray(data, [event]);

			// Allow special events to draw outside the lines
			// 特殊事件，主要是解决 focus 机制。如果 trigger 返回 false，则直接返回
			special = jQuery.event.special[type] || {};
			if(!onlyHandlers && special.trigger && special.trigger.apply(elem, data) === false) {
				return;
			}

			// Determine event propagation path in advance, per W3C events spec (#9951)
			// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
			// 如果需要冒泡，特殊事件不需要阻止冒泡，且elem不是window对象
			// onlyHandlers为true 表示不冒泡
			if(!onlyHandlers && !special.noBubble && !jQuery.isWindow(elem)) {

				// 冒泡时是否需要转成别的事件(用于事件模拟)
				bubbleType = special.delegateType || type;

				if(!rfocusMorph.test(bubbleType + type)) {
					cur = cur.parentNode;
				}
				for(; cur; cur = cur.parentNode) {
					eventPath.push(cur);
					tmp = cur;
				}

				// Only add window if we got to document (e.g., not plain obj or detached DOM)
				// 如果循环中最后一个cur是document，那么事件是需要最后触发到window对象上的
				// 将window对象推入元素队列
				if(tmp === (elem.ownerDocument || document)) {
					eventPath.push(tmp.defaultView || tmp.parentWindow || window);
				}
			}

			// Fire handlers on the event path
			i = 0;
			while((cur = eventPath[i++]) && !event.isPropagationStopped()) {

				event.type = i > 1 ?
					bubbleType :
					special.bindType || type;

				// jQuery handler
				handle = (data_priv.get(cur, "events") || {})[event.type] && data_priv.get(cur, "handle");
				if(handle) {
					handle.apply(cur, data);
				}

				// Native handler
				handle = ontype && cur[ontype];
				if(handle && jQuery.acceptData(cur) && handle.apply && handle.apply(cur, data) === false) {
					event.preventDefault();
				}
			}
			event.type = type;

			// If nobody prevented the default action, do it now
			if(!onlyHandlers && !event.isDefaultPrevented()) {

				if((!special._default || special._default.apply(eventPath.pop(), data) === false) &&
					jQuery.acceptData(elem)) {

					// Call a native DOM method on the target with the same name name as the event.
					// Don't do default actions on window, that's where global variables be (#6170)
					if(ontype && jQuery.isFunction(elem[type]) && !jQuery.isWindow(elem)) {

						// Don't re-trigger an onFOO event when we call its FOO() method
						tmp = elem[ontype];

						if(tmp) {
							elem[ontype] = null;
						}

						// Prevent re-triggering of the same event, since we already bubbled it above
						jQuery.event.triggered = type;
						elem[type]();
						jQuery.event.triggered = undefined;

						if(tmp) {
							elem[ontype] = tmp;
						}
					}
				}
			}

			return event.result;
		},

		/**
		 分派(执行)事件处理函数
		 * @param {Object} 原生Event事件对象
		 * @return {...}  返回事件处理函数结果
		 */
		dispatch: function(event) {

			// Make a writable jQuery.Event from the native event object
			// 使用fix修正Event，生成一个可写的事件对象,返回实例化的jQuery.Event对象
			event = jQuery.event.fix(event);

			var i, j, ret, matched, handleObj,
				handlerQueue = [],
				args = core_slice.call(arguments),
				handlers = (data_priv.get(this, "events") || {})[event.type] || [],
				special = jQuery.event.special[event.type] || {};

			// Use the fix-ed jQuery.Event rather than the (read-only) native event
			args[0] = event;
			event.delegateTarget = this;

			// Call the preDispatch hook for the mapped type, and let it bail if desired
			if(special.preDispatch && special.preDispatch.call(this, event) === false) {
				return;
			}

			// Determine handlers
			handlerQueue = jQuery.event.handlers.call(this, event, handlers);

			// Run delegates first; they may want to stop propagation beneath us
			i = 0;
			// 遍历事件处理器队列{elem, handlerObjs}(取出来则对应一个包了)，且事件没有阻止冒泡
			while((matched = handlerQueue[i++]) && !event.isPropagationStopped()) {
				//定义当前触发元素为 事件处理对象对应的元素
				event.currentTarget = matched.elem;

				j = 0;
				// 如果事件处理对象{handleObjs}存在(一个元素可能有很多handleObjs)，且事件不需要立刻阻止冒泡
				while((handleObj = matched.handlers[j++]) && !event.isImmediatePropagationStopped()) {

					// Triggered event must either 1) have no namespace, or
					// 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
					// 1) 没有命名空间
					// 2) 有命名空间，且被绑定的事件是命名空间的一个子集
					if(!event.namespace_re || event.namespace_re.test(handleObj.namespace)) {

						event.handleObj = handleObj; //事件处理器对象        dxi
						event.data = handleObj.data; // 自定义的参数

						// 尝试通过特殊事件获取处理函数，否则使用handleObj中保存的handler(所以handleObj中还保存有handler(事件处理函数))
						// handleObj.origType 定义的事件类型
						// handleObj.handler 事件处理函数
						// 终于到这里了，开始执行事件处理函数
						ret = ((jQuery.event.special[handleObj.origType] || {}).handle || handleObj.handler)
							.apply(matched.elem, args);

						if(ret !== undefined) {
							if((event.result = ret) === false) {
								event.preventDefault();
								event.stopPropagation();
							}
						}
					}
				}
			}

			// Call the postDispatch hook for the mapped type
			if(special.postDispatch) {
				special.postDispatch.call(this, event);
			}

			return event.result;
		},

		handlers: function(event, handlers) {
			var i, matches, sel, handleObj,
				handlerQueue = [],
				delegateCount = handlers.delegateCount,
				cur = event.target;

			// Find delegate handlers
			// Black-hole SVG <use> instance trees (#13180)
			// Avoid non-left-click bubbling in Firefox (#3861)
			if(delegateCount && cur.nodeType && (!event.button || event.type !== "click")) {

				for(; cur !== this; cur = cur.parentNode || this) {

					// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
					if(cur.disabled !== true || event.type !== "click") {
						matches = [];
						for(i = 0; i < delegateCount; i++) {
							handleObj = handlers[i];

							// Don't conflict with Object.prototype properties (#13203)
							sel = handleObj.selector + " ";

							if(matches[sel] === undefined) {
								matches[sel] = handleObj.needsContext ?
									jQuery(sel, this).index(cur) >= 0 :
									jQuery.find(sel, this, null, [cur]).length;
							}
							if(matches[sel]) {
								matches.push(handleObj);
							}
						}
						if(matches.length) {
							handlerQueue.push({
								elem: cur,
								handlers: matches
							});
						}
					}
				}
			}

			// Add the remaining (directly-bound) handlers
			if(delegateCount < handlers.length) {
				handlerQueue.push({
					elem: this,
					handlers: handlers.slice(delegateCount)
				});
			}

			return handlerQueue;
		},

		// Includes some event props shared by KeyEvent and MouseEvent
		// 普通事件属性
		props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),

		fixHooks: {},

		keyHooks: {
			props: "char charCode key keyCode".split(" "),
			filter: function(event, original) {

				// Add which for key events
				if(event.which == null) {
					event.which = original.charCode != null ? original.charCode : original.keyCode;
				}

				return event;
			}
		},

		mouseHooks: {
			props: "button buttons clientX clientY offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
			filter: function(event, original) {
				var eventDoc, doc, body,
					button = original.button;

				// Calculate pageX/Y if missing and clientX/Y available
				if(event.pageX == null && original.clientX != null) {
					eventDoc = event.target.ownerDocument || document;
					doc = eventDoc.documentElement;
					body = eventDoc.body;

					event.pageX = original.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
					event.pageY = original.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
				}

				// Add which for click: 1 === left; 2 === middle; 3 === right
				// Note: button is not normalized, so don't use it
				if(!event.which && button !== undefined) {
					event.which = (button & 1 ? 1 : (button & 2 ? 3 : (button & 4 ? 2 : 0)));
				}

				return event;
			}
		},

		/**
		 修正原生Event事件对象，生成新的封装的jQuery.Event事件对象,代替原生的Event对象
		 * @param {Object} event 事件对象
		 * @return {Object} 返回封装的jQuery.Event事件对象
		 */
		fix: function(event) {
			// 重写原生事件对象，变成一个可读写的对象，方便未来修改、扩展
			// 检测已经fixed（修正）过，表明是jQuery.Event
			if(event[jQuery.expando]) {
				return event;
			}

			// Create a writable copy of the event object and normalize some properties
			var i,
				//特殊（key/mouse）属性 键
				prop,
				//特殊（key/mouse）属性
				copy,
				type = event.type,
				originalEvent = event,
				fixHook = this.fixHooks[type];

			if(!fixHook) {
				// 扩展事件属性
				this.fixHooks[type] = fixHook =
					rmouseEvent.test(type) ? this.mouseHooks :
					rkeyEvent.test(type) ? this.keyHooks : {};
			}

			// 如果是key或者mouse事件，添加额外的属性（props）
			copy = fixHook.props ? this.props.concat(fixHook.props) : this.props;

			// 将浏览器原生Event的属性赋值到新创建的jQuery.Event对象中去
			event = new jQuery.Event(originalEvent);

			i = copy.length;
			while(i--) {
				prop = copy[i];
				event[prop] = originalEvent[prop];
			}

			// Support: Cordova 2.5 (WebKit) (#13255)
			// All events should have a target; Cordova deviceready doesn't
			if(!event.target) {
				event.target = document;
			}

			// Support: Safari 6.0+, Chrome < 28
			// Target should not be a text node (#504, #13143)
			if(event.target.nodeType === 3) {
				event.target = event.target.parentNode;
			}

			return fixHook.filter ? fixHook.filter(event, originalEvent) : event;
		},

		special: {
			load: {
				// Prevent triggered image.load events from bubbling to window.load
				noBubble: true
			},
			focus: {
				// Fire native event if possible so blur/focus sequence is correct
				trigger: function() {
					if(this !== safeActiveElement() && this.focus) {
						this.focus();
						return false;
					}
				},
				delegateType: "focusin"
			},
			blur: {
				trigger: function() {
					if(this === safeActiveElement() && this.blur) {
						this.blur();
						return false;
					}
				},
				delegateType: "focusout"
			},
			click: {
				// For checkbox, fire native event so checked state will be right
				trigger: function() {
					if(this.type === "checkbox" && this.click && jQuery.nodeName(this, "input")) {
						this.click();
						return false;
					}
				},

				// For cross-browser consistency, don't fire native .click() on links
				_default: function(event) {
					return jQuery.nodeName(event.target, "a");
				}
			},

			beforeunload: {
				postDispatch: function(event) {

					// Support: Firefox 20+
					// Firefox doesn't alert if the returnValue field is not set.
					if(event.result !== undefined) {
						event.originalEvent.returnValue = event.result;
					}
				}
			}
		},

		simulate: function(type, elem, event, bubble) {
			// Piggyback on a donor event to simulate a different one.
			// Fake originalEvent to avoid donor's stopPropagation, but if the
			// simulated event prevents default then we do the same on the donor.
			var e = jQuery.extend(
				new jQuery.Event(),
				event, {
					type: type,
					isSimulated: true,
					originalEvent: {}
				}
			);
			if(bubble) {
				jQuery.event.trigger(e, null, elem);
			} else {
				jQuery.event.dispatch.call(elem, e);
			}
			if(e.isDefaultPrevented()) {
				event.preventDefault();
			}
		}
	};

	jQuery.removeEvent = function(elem, type, handle) {
		if(elem.removeEventListener) {
			elem.removeEventListener(type, handle, false);
		}
	};

	/**
	 jQuery为统一原生Event对象而封装的jQuery.Event类
	 * @param {Object} src 原生Event事件对象
	 * @param {Object Or Undefined} props (可选) 自定义的属性,将被扩展到实例化的jQuery.Event对象中
	 */
	jQuery.Event = function(src, props) {
		// Allow instantiation without the 'new' keyword
		if(!(this instanceof jQuery.Event)) {
			return new jQuery.Event(src, props);
		}

		// Event object
		if(src && src.type) {
			this.originalEvent = src;
			this.type = src.type;

			// Events bubbling up the document may have been marked as prevented
			// by a handler lower down the tree; reflect the correct value.     ‘
			// 扩充了DOM3 事件方法
			// isDefaultPrevented() 检查是否阻止了默认动作，阻止返回true，没有返回false
			// 标准的DOM事件defaultPrevented 检测是否
			// returnValue默认为true 设置false就可以取消事件的默认行为(读/写)
			this.isDefaultPrevented = (src.defaultPrevented ||
				src.getPreventDefault && src.getPreventDefault()) ? returnTrue : returnFalse;

			// Event type
		} else {
			this.type = src;
		}

		// Put explicitly provided properties onto the event object
		if(props) {
			// 存在则自定义的props(属性)将被extend(扩展)进创建的event中作为属性
			jQuery.extend(this, props);
		}

		// Create a timestamp if incoming event doesn't have one
		// timeStamp 事件属性可返回一个时间戳,指示发生事件的日期和时间
		this.timeStamp = src && src.timeStamp || jQuery.now();

		// Mark it as fixed
		// 标记已经fiexed(定义)了
		this[jQuery.expando] = true;
	};

	// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
	// http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
	jQuery.Event.prototype = {
		isDefaultPrevented: returnFalse, // 返回指定的 Event对象上是否调用了 preventDefault() 方法
		isPropagationStopped: returnFalse, // 返回指定的 Event对象上是否调用了 stopPropagation() 方法
		isImmediatePropagationStopped: returnFalse, // 返回指定的 Event对象是否调用了 stopImmediatePropagation() 方法

		// 取消特定事件的默认行为
		preventDefault: function() {
			var e = this.originalEvent;

			this.isDefaultPrevented = returnTrue;

			if(e && e.preventDefault) {
				e.preventDefault();
			}
		},
		// 取消事件的进一步捕获或冒泡
		// 因为IE不兼容事件捕获，所以jQuery并未做捕获的操作
		stopPropagation: function() {
			var e = this.originalEvent;

			this.isPropagationStopped = returnTrue;

			if(e && e.stopPropagation) {
				e.stopPropagation();
			}
		},
		// 阻止剩余的事件处理函数执行并且防止事件冒泡到DOM树上
		stopImmediatePropagation: function() {
			this.isImmediatePropagationStopped = returnTrue;
			this.stopPropagation();
		}
	};

	// Create mouseenter/leave events using mouseover/out and event-time checks
	// Support: Chrome 15+
	jQuery.each({
		mouseenter: "mouseover",
		mouseleave: "mouseout"
	}, function(orig, fix) {
		jQuery.event.special[orig] = {
			delegateType: fix,
			bindType: fix,

			handle: function(event) {
				var ret,
					target = this,
					related = event.relatedTarget,
					handleObj = event.handleObj;

				// For mousenter/leave call the handler if related is outside the target.
				// NB: No relatedTarget if the mouse left/entered the browser window
				if(!related || (related !== target && !jQuery.contains(target, related))) {
					event.type = handleObj.origType;
					ret = handleObj.handler.apply(this, arguments);
					event.type = fix;
				}
				return ret;
			}
		};
	});

	// Create "bubbling" focus and blur events
	// Support: Firefox, Chrome, Safari
	if(!jQuery.support.focusinBubbles) {
		jQuery.each({
			focus: "focusin",
			blur: "focusout"
		}, function(orig, fix) {

			// Attach a single capturing handler while someone wants focusin/focusout
			var attaches = 0,
				handler = function(event) {
					jQuery.event.simulate(fix, event.target, jQuery.event.fix(event), true);
				};

			jQuery.event.special[fix] = {
				setup: function() {
					if(attaches++ === 0) {
						document.addEventListener(orig, handler, true);
					}
				},
				teardown: function() {
					if(--attaches === 0) {
						document.removeEventListener(orig, handler, true);
					}
				}
			};
		});
	}

	jQuery.fn.extend({

		on: function(types, selector, data, fn, /*INTERNAL*/ one) {
			var origFn, type;

			// Types can be a map of types/handlers
			if(typeof types === "object") {
				// ( types-Object, selector, data )
				if(typeof selector !== "string") {
					// ( types-Object, data )
					data = data || selector;
					selector = undefined;
				}
				for(type in types) {
					this.on(type, selector, data, types[type], one);
				}
				return this;
			}

			if(data == null && fn == null) {
				// ( types, fn )
				fn = selector;
				data = selector = undefined;
			} else if(fn == null) {
				if(typeof selector === "string") {
					// ( types, selector, fn )
					fn = data;
					data = undefined;
				} else {
					// ( types, data, fn )
					fn = data;
					data = selector;
					selector = undefined;
				}
			}
			if(fn === false) {
				fn = returnFalse;
			} else if(!fn) {
				return this;
			}

			if(one === 1) {
				origFn = fn;
				fn = function(event) {
					// Can use an empty set, since event contains the info
					jQuery().off(event);
					return origFn.apply(this, arguments);
				};
				// Use same guid so caller can remove using origFn
				fn.guid = origFn.guid || (origFn.guid = jQuery.guid++);
			}
			return this.each(function() {
				jQuery.event.add(this, types, fn, data, selector);
			});
		},
		one: function(types, selector, data, fn) {
			return this.on(types, selector, data, fn, 1);
		},
		off: function(types, selector, fn) {
			var handleObj, type;
			if(types && types.preventDefault && types.handleObj) {
				// ( event )  dispatched jQuery.Event
				handleObj = types.handleObj;
				jQuery(types.delegateTarget).off(
					handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
					handleObj.selector,
					handleObj.handler
				);
				return this;
			}
			if(typeof types === "object") {
				// ( types-object [, selector] )
				for(type in types) {
					this.off(type, selector, types[type]);
				}
				return this;
			}
			if(selector === false || typeof selector === "function") {
				// ( types [, fn] )
				fn = selector;
				selector = undefined;
			}
			if(fn === false) {
				fn = returnFalse;
			}
			return this.each(function() {
				jQuery.event.remove(this, types, fn, selector);
			});
		},

		trigger: function(type, data) {
			return this.each(function() {
				jQuery.event.trigger(type, data, this);
			});
		},
		triggerHandler: function(type, data) {
			var elem = this[0];
			if(elem) {
				return jQuery.event.trigger(type, data, elem, true);
			}
		}
	});

	var isSimple = /^.[^:#\[\.,]*$/,
		rparentsprev = /^(?:parents|prev(?:Until|All))/,
		rneedsContext = jQuery.expr.match.needsContext,
		// methods guaranteed to produce a unique set when starting from a unique set
		guaranteedUnique = {
			children: true,
			contents: true,
			next: true,
			prev: true
		};

	jQuery.fn.extend({
		find: function(selector) {
			var i,
				ret = [],
				self = this,
				len = self.length;

			if(typeof selector !== "string") {
				return this.pushStack(jQuery(selector).filter(function() {
					for(i = 0; i < len; i++) {
						if(jQuery.contains(self[i], this)) {
							return true;
						}
					}
				}));
			}

			for(i = 0; i < len; i++) {
				jQuery.find(selector, self[i], ret);
			}

			// Needed because $( selector, context ) becomes $( context ).find( selector )
			ret = this.pushStack(len > 1 ? jQuery.unique(ret) : ret);
			ret.selector = this.selector ? this.selector + " " + selector : selector;
			return ret;
		},

		has: function(target) {
			var targets = jQuery(target, this),
				l = targets.length;

			return this.filter(function() {
				var i = 0;
				for(; i < l; i++) {
					if(jQuery.contains(this, targets[i])) {
						return true;
					}
				}
			});
		},

		not: function(selector) {
			return this.pushStack(winnow(this, selector || [], true));
		},

		filter: function(selector) {
			return this.pushStack(winnow(this, selector || [], false));
		},

		is: function(selector) {
			return !!winnow(
				this,

				// If this is a positional/relative selector, check membership in the returned set
				// so $("p:first").is("p:last") won't return true for a doc with two "p".
				typeof selector === "string" && rneedsContext.test(selector) ?
				jQuery(selector) :
				selector || [],
				false
			).length;
		},

		closest: function(selectors, context) {
			var cur,
				i = 0,
				l = this.length,
				matched = [],
				pos = (rneedsContext.test(selectors) || typeof selectors !== "string") ?
				jQuery(selectors, context || this.context) :
				0;

			for(; i < l; i++) {
				for(cur = this[i]; cur && cur !== context; cur = cur.parentNode) {
					// Always skip document fragments
					if(cur.nodeType < 11 && (pos ?
							pos.index(cur) > -1 :

							// Don't pass non-elements to Sizzle
							cur.nodeType === 1 &&
							jQuery.find.matchesSelector(cur, selectors))) {

						cur = matched.push(cur);
						break;
					}
				}
			}

			return this.pushStack(matched.length > 1 ? jQuery.unique(matched) : matched);
		},

		// Determine the position of an element within
		// the matched set of elements
		index: function(elem) {

			// No argument, return index in parent
			if(!elem) {
				return(this[0] && this[0].parentNode) ? this.first().prevAll().length : -1;
			}

			// index in selector
			if(typeof elem === "string") {
				return core_indexOf.call(jQuery(elem), this[0]);
			}

			// Locate the position of the desired element
			return core_indexOf.call(this,

				// If it receives a jQuery object, the first element is used
				elem.jquery ? elem[0] : elem
			);
		},

		add: function(selector, context) {
			var set = typeof selector === "string" ?
				jQuery(selector, context) :
				jQuery.makeArray(selector && selector.nodeType ? [selector] : selector),
				all = jQuery.merge(this.get(), set);

			return this.pushStack(jQuery.unique(all));
		},

		addBack: function(selector) {
			return this.add(selector == null ?
				this.prevObject : this.prevObject.filter(selector)
			);
		}
	});

	function sibling(cur, dir) {
		while((cur = cur[dir]) && cur.nodeType !== 1) {}

		return cur;
	}

	jQuery.each({
		parent: function(elem) {
			var parent = elem.parentNode;
			return parent && parent.nodeType !== 11 ? parent : null;
		},
		parents: function(elem) {
			return jQuery.dir(elem, "parentNode");
		},
		parentsUntil: function(elem, i, until) {
			return jQuery.dir(elem, "parentNode", until);
		},
		next: function(elem) {
			return sibling(elem, "nextSibling");
		},
		prev: function(elem) {
			return sibling(elem, "previousSibling");
		},
		nextAll: function(elem) {
			return jQuery.dir(elem, "nextSibling");
		},
		prevAll: function(elem) {
			return jQuery.dir(elem, "previousSibling");
		},
		nextUntil: function(elem, i, until) {
			return jQuery.dir(elem, "nextSibling", until);
		},
		prevUntil: function(elem, i, until) {
			return jQuery.dir(elem, "previousSibling", until);
		},
		siblings: function(elem) {
			return jQuery.sibling((elem.parentNode || {}).firstChild, elem);
		},
		children: function(elem) {
			return jQuery.sibling(elem.firstChild);
		},
		contents: function(elem) {
			return elem.contentDocument || jQuery.merge([], elem.childNodes);
		}
	}, function(name, fn) {
		jQuery.fn[name] = function(until, selector) {
			var matched = jQuery.map(this, fn, until);

			if(name.slice(-5) !== "Until") {
				selector = until;
			}

			if(selector && typeof selector === "string") {
				matched = jQuery.filter(selector, matched);
			}

			if(this.length > 1) {
				// Remove duplicates
				if(!guaranteedUnique[name]) {
					jQuery.unique(matched);
				}

				// Reverse order for parents* and prev-derivatives
				if(rparentsprev.test(name)) {
					matched.reverse();
				}
			}

			return this.pushStack(matched);
		};
	});

	jQuery.extend({
		filter: function(expr, elems, not) {
			var elem = elems[0];

			if(not) {
				expr = ":not(" + expr + ")";
			}

			return elems.length === 1 && elem.nodeType === 1 ?
				jQuery.find.matchesSelector(elem, expr) ? [elem] : [] :
				jQuery.find.matches(expr, jQuery.grep(elems, function(elem) {
					return elem.nodeType === 1;
				}));
		},

		dir: function(elem, dir, until) {
			var matched = [],
				truncate = until !== undefined;

			while((elem = elem[dir]) && elem.nodeType !== 9) {
				if(elem.nodeType === 1) {
					if(truncate && jQuery(elem).is(until)) {
						break;
					}
					matched.push(elem);
				}
			}
			return matched;
		},

		sibling: function(n, elem) {
			var matched = [];

			for(; n; n = n.nextSibling) {
				if(n.nodeType === 1 && n !== elem) {
					matched.push(n);
				}
			}

			return matched;
		}
	});

	// Implement the identical functionality for filter and not
	function winnow(elements, qualifier, not) {
		if(jQuery.isFunction(qualifier)) {
			return jQuery.grep(elements, function(elem, i) {
				/* jshint -W018 */
				return !!qualifier.call(elem, i, elem) !== not;
			});

		}

		if(qualifier.nodeType) {
			return jQuery.grep(elements, function(elem) {
				return(elem === qualifier) !== not;
			});

		}

		if(typeof qualifier === "string") {
			if(isSimple.test(qualifier)) {
				return jQuery.filter(qualifier, elements, not);
			}

			qualifier = jQuery.filter(qualifier, elements);
		}

		return jQuery.grep(elements, function(elem) {
			return(core_indexOf.call(qualifier, elem) >= 0) !== not;
		});
	}

	var rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
		rtagName = /<([\w:]+)/,
		rhtml = /<|&#?\w+;/,
		rnoInnerhtml = /<(?:script|style|link)/i,
		manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
		// checked="checked" or checked
		rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
		rscriptType = /^$|\/(?:java|ecma)script/i,
		rscriptTypeMasked = /^true\/(.*)/,
		rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,

		// We have to close these tags to support XHTML (#13200)
		wrapMap = {

			// Support: IE 9
			option: [1, "<select multiple='multiple'>", "</select>"],

			thead: [1, "<table>", "</table>"],
			col: [2, "<table><colgroup>", "</colgroup></table>"],
			tr: [2, "<table><tbody>", "</tbody></table>"],
			td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],

			_default: [0, "", ""]
		};

	// Support: IE 9
	wrapMap.optgroup = wrapMap.option;

	wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
	wrapMap.th = wrapMap.td;

	jQuery.fn.extend({
		text: function(value) {
			return jQuery.access(this, function(value) {
				return value === undefined ?
					jQuery.text(this) :
					this.empty().append((this[0] && this[0].ownerDocument || document).createTextNode(value));
			}, null, value, arguments.length);
		},

		append: function() {
			return this.domManip(arguments, function(elem) {
				if(this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
					var target = manipulationTarget(this, elem);
					target.appendChild(elem);
				}
			});
		},

		prepend: function() {
			return this.domManip(arguments, function(elem) {
				if(this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9) {
					var target = manipulationTarget(this, elem);
					target.insertBefore(elem, target.firstChild);
				}
			});
		},

		before: function() {
			return this.domManip(arguments, function(elem) {
				if(this.parentNode) {
					this.parentNode.insertBefore(elem, this);
				}
			});
		},

		after: function() {
			return this.domManip(arguments, function(elem) {
				if(this.parentNode) {
					this.parentNode.insertBefore(elem, this.nextSibling);
				}
			});
		},

		// keepData is for internal use only--do not document
		remove: function(selector, keepData) {
			var elem,
				elems = selector ? jQuery.filter(selector, this) : this,
				i = 0;

			for(;
				(elem = elems[i]) != null; i++) {
				if(!keepData && elem.nodeType === 1) {
					jQuery.cleanData(getAll(elem));
				}

				if(elem.parentNode) {
					if(keepData && jQuery.contains(elem.ownerDocument, elem)) {
						setGlobalEval(getAll(elem, "script"));
					}
					elem.parentNode.removeChild(elem);
				}
			}

			return this;
		},

		empty: function() {
			var elem,
				i = 0;

			for(;
				(elem = this[i]) != null; i++) {
				if(elem.nodeType === 1) {

					// Prevent memory leaks
					jQuery.cleanData(getAll(elem, false));

					// Remove any remaining nodes
					elem.textContent = "";
				}
			}

			return this;
		},

		clone: function(dataAndEvents, deepDataAndEvents) {
			dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
			deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;

			return this.map(function() {
				return jQuery.clone(this, dataAndEvents, deepDataAndEvents);
			});
		},

		html: function(value) {
			return jQuery.access(this, function(value) {
				var elem = this[0] || {},
					i = 0,
					l = this.length;

				if(value === undefined && elem.nodeType === 1) {
					return elem.innerHTML;
				}

				// See if we can take a shortcut and just use innerHTML
				if(typeof value === "string" && !rnoInnerhtml.test(value) &&
					!wrapMap[(rtagName.exec(value) || ["", ""])[1].toLowerCase()]) {

					value = value.replace(rxhtmlTag, "<$1></$2>");

					try {
						for(; i < l; i++) {
							elem = this[i] || {};

							// Remove element nodes and prevent memory leaks
							if(elem.nodeType === 1) {
								jQuery.cleanData(getAll(elem, false));
								elem.innerHTML = value;
							}
						}

						elem = 0;

						// If using innerHTML throws an exception, use the fallback method
					} catch(e) {}
				}

				if(elem) {
					this.empty().append(value);
				}
			}, null, value, arguments.length);
		},

		replaceWith: function() {
			var
			// Snapshot the DOM in case .domManip sweeps something relevant into its fragment
				args = jQuery.map(this, function(elem) {
					return [elem.nextSibling, elem.parentNode];
				}),
				i = 0;

			// Make the changes, replacing each context element with the new content
			this.domManip(arguments, function(elem) {
				var next = args[i++],
					parent = args[i++];

				if(parent) {
					// Don't use the snapshot next if it has moved (#13810)
					if(next && next.parentNode !== parent) {
						next = this.nextSibling;
					}
					jQuery(this).remove();
					parent.insertBefore(elem, next);
				}
				// Allow new content to include elements from the context set
			}, true);

			// Force removal if there was no new content (e.g., from empty arguments)
			return i ? this : this.remove();
		},

		detach: function(selector) {
			return this.remove(selector, true);
		},

		domManip: function(args, callback, allowIntersection) {

			// Flatten any nested arrays
			args = core_concat.apply([], args);

			var fragment, first, scripts, hasScripts, node, doc,
				i = 0,
				l = this.length,
				set = this,
				iNoClone = l - 1,
				value = args[0],
				isFunction = jQuery.isFunction(value);

			// We can't cloneNode fragments that contain checked, in WebKit
			if(isFunction || !(l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test(value))) {
				return this.each(function(index) {
					var self = set.eq(index);
					if(isFunction) {
						args[0] = value.call(this, index, self.html());
					}
					self.domManip(args, callback, allowIntersection);
				});
			}

			if(l) {
				fragment = jQuery.buildFragment(args, this[0].ownerDocument, false, !allowIntersection && this);
				first = fragment.firstChild;

				if(fragment.childNodes.length === 1) {
					fragment = first;
				}

				if(first) {
					scripts = jQuery.map(getAll(fragment, "script"), disableScript);
					hasScripts = scripts.length;

					// Use the original fragment for the last item instead of the first because it can end up
					// being emptied incorrectly in certain situations (#8070).
					for(; i < l; i++) {
						node = fragment;

						if(i !== iNoClone) {
							node = jQuery.clone(node, true, true);

							// Keep references to cloned scripts for later restoration
							if(hasScripts) {
								// Support: QtWebKit
								// jQuery.merge because core_push.apply(_, arraylike) throws
								jQuery.merge(scripts, getAll(node, "script"));
							}
						}

						callback.call(this[i], node, i);
					}

					if(hasScripts) {
						doc = scripts[scripts.length - 1].ownerDocument;

						// Reenable scripts
						jQuery.map(scripts, restoreScript);

						// Evaluate executable scripts on first document insertion
						for(i = 0; i < hasScripts; i++) {
							node = scripts[i];
							if(rscriptType.test(node.type || "") &&
								!data_priv.access(node, "globalEval") && jQuery.contains(doc, node)) {

								if(node.src) {
									// Hope ajax is available...
									jQuery._evalUrl(node.src);
								} else {
									jQuery.globalEval(node.textContent.replace(rcleanScript, ""));
								}
							}
						}
					}
				}
			}

			return this;
		}
	});

	jQuery.each({
		appendTo: "append",
		prependTo: "prepend",
		insertBefore: "before",
		insertAfter: "after",
		replaceAll: "replaceWith"
	}, function(name, original) {
		jQuery.fn[name] = function(selector) {
			var elems,
				ret = [],
				insert = jQuery(selector),
				last = insert.length - 1,
				i = 0;

			for(; i <= last; i++) {
				elems = i === last ? this : this.clone(true);
				jQuery(insert[i])[original](elems);

				// Support: QtWebKit
				// .get() because core_push.apply(_, arraylike) throws
				core_push.apply(ret, elems.get());
			}

			return this.pushStack(ret);
		};
	});

	jQuery.extend({
		clone: function(elem, dataAndEvents, deepDataAndEvents) {
			var i, l, srcElements, destElements,
				clone = elem.cloneNode(true),
				inPage = jQuery.contains(elem.ownerDocument, elem);

			// Support: IE >= 9
			// Fix Cloning issues
			if(!jQuery.support.noCloneChecked && (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem)) {

				// We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
				destElements = getAll(clone);
				srcElements = getAll(elem);

				for(i = 0, l = srcElements.length; i < l; i++) {
					fixInput(srcElements[i], destElements[i]);
				}
			}

			// Copy the events from the original to the clone
			if(dataAndEvents) {
				if(deepDataAndEvents) {
					srcElements = srcElements || getAll(elem);
					destElements = destElements || getAll(clone);

					for(i = 0, l = srcElements.length; i < l; i++) {
						cloneCopyEvent(srcElements[i], destElements[i]);
					}
				} else {
					cloneCopyEvent(elem, clone);
				}
			}

			// Preserve script evaluation history
			destElements = getAll(clone, "script");
			if(destElements.length > 0) {
				setGlobalEval(destElements, !inPage && getAll(elem, "script"));
			}

			// Return the cloned set
			return clone;
		},

		buildFragment: function(elems, context, scripts, selection) {
			var elem, tmp, tag, wrap, contains, j,
				i = 0,
				l = elems.length,
				fragment = context.createDocumentFragment(),
				nodes = [];

			for(; i < l; i++) {
				elem = elems[i];

				if(elem || elem === 0) {

					// Add nodes directly
					if(jQuery.type(elem) === "object") {
						// Support: QtWebKit
						// jQuery.merge because core_push.apply(_, arraylike) throws
						jQuery.merge(nodes, elem.nodeType ? [elem] : elem);

						// Convert non-html into a text node
					} else if(!rhtml.test(elem)) {
						nodes.push(context.createTextNode(elem));

						// Convert html into DOM nodes
					} else {
						tmp = tmp || fragment.appendChild(context.createElement("div"));

						// Deserialize a standard representation
						tag = (rtagName.exec(elem) || ["", ""])[1].toLowerCase();
						wrap = wrapMap[tag] || wrapMap._default;
						tmp.innerHTML = wrap[1] + elem.replace(rxhtmlTag, "<$1></$2>") + wrap[2];

						// Descend through wrappers to the right content
						j = wrap[0];
						while(j--) {
							tmp = tmp.lastChild;
						}

						// Support: QtWebKit
						// jQuery.merge because core_push.apply(_, arraylike) throws
						jQuery.merge(nodes, tmp.childNodes);

						// Remember the top-level container
						tmp = fragment.firstChild;

						// Fixes #12346
						// Support: Webkit, IE
						tmp.textContent = "";
					}
				}
			}

			// Remove wrapper from fragment
			fragment.textContent = "";

			i = 0;
			while((elem = nodes[i++])) {

				// #4087 - If origin and destination elements are the same, and this is
				// that element, do not do anything
				if(selection && jQuery.inArray(elem, selection) !== -1) {
					continue;
				}

				contains = jQuery.contains(elem.ownerDocument, elem);

				// Append to fragment
				tmp = getAll(fragment.appendChild(elem), "script");

				// Preserve script evaluation history
				if(contains) {
					setGlobalEval(tmp);
				}

				// Capture executables
				if(scripts) {
					j = 0;
					while((elem = tmp[j++])) {
						if(rscriptType.test(elem.type || "")) {
							scripts.push(elem);
						}
					}
				}
			}

			return fragment;
		},

		cleanData: function(elems) {
			var data, elem, events, type, key, j,
				special = jQuery.event.special,
				i = 0;

			for(;
				(elem = elems[i]) !== undefined; i++) {
				if(Data.accepts(elem)) {
					key = elem[data_priv.expando];

					if(key && (data = data_priv.cache[key])) {
						events = Object.keys(data.events || {});
						if(events.length) {
							for(j = 0;
								(type = events[j]) !== undefined; j++) {
								if(special[type]) {
									jQuery.event.remove(elem, type);

									// This is a shortcut to avoid jQuery.event.remove's overhead
								} else {
									jQuery.removeEvent(elem, type, data.handle);
								}
							}
						}
						if(data_priv.cache[key]) {
							// Discard any remaining `private` data
							delete data_priv.cache[key];
						}
					}
				}
				// Discard any remaining `user` data
				delete data_user.cache[elem[data_user.expando]];
			}
		},

		_evalUrl: function(url) {
			return jQuery.ajax({
				url: url,
				type: "GET",
				dataType: "script",
				async: false,
				global: false,
				"throws": true
			});
		}
	});

	// Support: 1.x compatibility
	// Manipulating tables requires a tbody
	function manipulationTarget(elem, content) {
		return jQuery.nodeName(elem, "table") &&
			jQuery.nodeName(content.nodeType === 1 ? content : content.firstChild, "tr") ?

			elem.getElementsByTagName("tbody")[0] ||
			elem.appendChild(elem.ownerDocument.createElement("tbody")) :
			elem;
	}

	// Replace/restore the type attribute of script elements for safe DOM manipulation
	function disableScript(elem) {
		elem.type = (elem.getAttribute("type") !== null) + "/" + elem.type;
		return elem;
	}

	function restoreScript(elem) {
		var match = rscriptTypeMasked.exec(elem.type);

		if(match) {
			elem.type = match[1];
		} else {
			elem.removeAttribute("type");
		}

		return elem;
	}

	// Mark scripts as having already been evaluated
	function setGlobalEval(elems, refElements) {
		var l = elems.length,
			i = 0;

		for(; i < l; i++) {
			data_priv.set(
				elems[i], "globalEval", !refElements || data_priv.get(refElements[i], "globalEval")
			);
		}
	}

	function cloneCopyEvent(src, dest) {
		var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;

		if(dest.nodeType !== 1) {
			return;
		}

		// 1. Copy private data: events, handlers, etc.
		if(data_priv.hasData(src)) {
			pdataOld = data_priv.access(src);
			pdataCur = data_priv.set(dest, pdataOld);
			events = pdataOld.events;

			if(events) {
				delete pdataCur.handle;
				pdataCur.events = {};

				for(type in events) {
					for(i = 0, l = events[type].length; i < l; i++) {
						jQuery.event.add(dest, type, events[type][i]);
					}
				}
			}
		}

		// 2. Copy user data
		if(data_user.hasData(src)) {
			udataOld = data_user.access(src);
			udataCur = jQuery.extend({}, udataOld);

			data_user.set(dest, udataCur);
		}
	}

	function getAll(context, tag) {
		var ret = context.getElementsByTagName ? context.getElementsByTagName(tag || "*") :
			context.querySelectorAll ? context.querySelectorAll(tag || "*") : [];

		return tag === undefined || tag && jQuery.nodeName(context, tag) ?
			jQuery.merge([context], ret) :
			ret;
	}

	// Support: IE >= 9
	function fixInput(src, dest) {
		var nodeName = dest.nodeName.toLowerCase();

		// Fails to persist the checked state of a cloned checkbox or radio button.
		if(nodeName === "input" && manipulation_rcheckableType.test(src.type)) {
			dest.checked = src.checked;

			// Fails to return the selected option to the default selected state when cloning options
		} else if(nodeName === "input" || nodeName === "textarea") {
			dest.defaultValue = src.defaultValue;
		}
	}
	jQuery.fn.extend({
		wrapAll: function(html) {
			var wrap;

			if(jQuery.isFunction(html)) {
				return this.each(function(i) {
					jQuery(this).wrapAll(html.call(this, i));
				});
			}

			if(this[0]) {

				// The elements to wrap the target around
				wrap = jQuery(html, this[0].ownerDocument).eq(0).clone(true);

				if(this[0].parentNode) {
					wrap.insertBefore(this[0]);
				}

				wrap.map(function() {
					var elem = this;

					while(elem.firstElementChild) {
						elem = elem.firstElementChild;
					}

					return elem;
				}).append(this);
			}

			return this;
		},

		wrapInner: function(html) {
			if(jQuery.isFunction(html)) {
				return this.each(function(i) {
					jQuery(this).wrapInner(html.call(this, i));
				});
			}

			return this.each(function() {
				var self = jQuery(this),
					contents = self.contents();

				if(contents.length) {
					contents.wrapAll(html);

				} else {
					self.append(html);
				}
			});
		},

		wrap: function(html) {
			var isFunction = jQuery.isFunction(html);

			return this.each(function(i) {
				jQuery(this).wrapAll(isFunction ? html.call(this, i) : html);
			});
		},

		unwrap: function() {
			return this.parent().each(function() {
				if(!jQuery.nodeName(this, "body")) {
					jQuery(this).replaceWith(this.childNodes);
				}
			}).end();
		}
	});

	var curCSS, iframe,
		// swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
		// see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
		rdisplayswap = /^(none|table(?!-c[ea]).+)/,
		rmargin = /^margin/,
		rnumsplit = new RegExp("^(" + core_pnum + ")(.*)$", "i"),
		rnumnonpx = new RegExp("^(" + core_pnum + ")(?!px)[a-z%]+$", "i"),
		rrelNum = new RegExp("^([+-])=(" + core_pnum + ")", "i"),
		elemdisplay = {
			BODY: "block"
		},

		cssShow = {
			position: "absolute",
			visibility: "hidden",
			display: "block"
		},
		cssNormalTransform = {
			letterSpacing: 0,
			fontWeight: 400
		},

		cssExpand = ["Top", "Right", "Bottom", "Left"],
		cssPrefixes = ["Webkit", "O", "Moz", "ms"];

	// return a css property mapped to a potentially vendor prefixed property
	function vendorPropName(style, name) {

		// shortcut for names that are not vendor prefixed
		if(name in style) {
			return name;
		}

		// check for vendor prefixed names
		var capName = name.charAt(0).toUpperCase() + name.slice(1),
			origName = name,
			i = cssPrefixes.length;

		while(i--) {
			name = cssPrefixes[i] + capName;
			if(name in style) {
				return name;
			}
		}

		return origName;
	}

	function isHidden(elem, el) {
		// isHidden might be called from jQuery#filter function;
		// in that case, element will be second argument
		elem = el || elem;
		return jQuery.css(elem, "display") === "none" || !jQuery.contains(elem.ownerDocument, elem);
	}

	// NOTE: we've included the "window" in window.getComputedStyle
	// because jsdom on node.js will break without it.
	function getStyles(elem) {
		return window.getComputedStyle(elem, null);
	}

	function showHide(elements, show) {
		var display, elem, hidden,
			values = [],
			index = 0,
			length = elements.length;

		for(; index < length; index++) {
			elem = elements[index];
			if(!elem.style) {
				continue;
			}

			values[index] = data_priv.get(elem, "olddisplay");
			display = elem.style.display;
			if(show) {
				// Reset the inline display of this element to learn if it is
				// being hidden by cascaded rules or not
				if(!values[index] && display === "none") {
					elem.style.display = "";
				}

				// Set elements which have been overridden with display: none
				// in a stylesheet to whatever the default browser style is
				// for such an element
				if(elem.style.display === "" && isHidden(elem)) {
					values[index] = data_priv.access(elem, "olddisplay", css_defaultDisplay(elem.nodeName));
				}
			} else {

				if(!values[index]) {
					hidden = isHidden(elem);

					if(display && display !== "none" || !hidden) {
						data_priv.set(elem, "olddisplay", hidden ? display : jQuery.css(elem, "display"));
					}
				}
			}
		}

		// Set the display of most of the elements in a second loop
		// to avoid the constant reflow
		for(index = 0; index < length; index++) {
			elem = elements[index];
			if(!elem.style) {
				continue;
			}
			if(!show || elem.style.display === "none" || elem.style.display === "") {
				elem.style.display = show ? values[index] || "" : "none";
			}
		}

		return elements;
	}

	jQuery.fn.extend({
		css: function(name, value) {
			return jQuery.access(this, function(elem, name, value) {
				var styles, len,
					map = {},
					i = 0;

				if(jQuery.isArray(name)) {
					styles = getStyles(elem);
					len = name.length;

					for(; i < len; i++) {
						map[name[i]] = jQuery.css(elem, name[i], false, styles);
					}

					return map;
				}

				return value !== undefined ?
					jQuery.style(elem, name, value) :
					jQuery.css(elem, name);
			}, name, value, arguments.length > 1);
		},
		show: function() {
			return showHide(this, true);
		},
		hide: function() {
			return showHide(this);
		},
		toggle: function(state) {
			if(typeof state === "boolean") {
				return state ? this.show() : this.hide();
			}

			return this.each(function() {
				if(isHidden(this)) {
					jQuery(this).show();
				} else {
					jQuery(this).hide();
				}
			});
		}
	});

	jQuery.extend({
		// Add in style property hooks for overriding the default
		// behavior of getting and setting a style property
		cssHooks: {
			opacity: {
				get: function(elem, computed) {
					if(computed) {
						// We should always get a number back from opacity
						var ret = curCSS(elem, "opacity");
						return ret === "" ? "1" : ret;
					}
				}
			}
		},

		// Don't automatically add "px" to these possibly-unitless properties
		cssNumber: {
			"columnCount": true,
			"fillOpacity": true,
			"fontWeight": true,
			"lineHeight": true,
			"opacity": true,
			"order": true,
			"orphans": true,
			"widows": true,
			"zIndex": true,
			"zoom": true
		},

		// Add in properties whose names you wish to fix before
		// setting or getting the value
		cssProps: {
			// normalize float css property
			"float": "cssFloat"
		},

		// Get and set the style property on a DOM Node
		style: function(elem, name, value, extra) {
			// Don't set styles on text and comment nodes
			if(!elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style) {
				return;
			}

			// Make sure that we're working with the right name
			var ret, type, hooks,
				origName = jQuery.camelCase(name),
				style = elem.style;

			name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(style, origName));

			// gets hook for the prefixed version
			// followed by the unprefixed version
			hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];

			// Check if we're setting a value
			if(value !== undefined) {
				type = typeof value;

				// convert relative number strings (+= or -=) to relative numbers. #7345
				if(type === "string" && (ret = rrelNum.exec(value))) {
					value = (ret[1] + 1) * ret[2] + parseFloat(jQuery.css(elem, name));
					// Fixes bug #9237
					type = "number";
				}

				// Make sure that NaN and null values aren't set. See: #7116
				if(value == null || type === "number" && isNaN(value)) {
					return;
				}

				// If a number was passed in, add 'px' to the (except for certain CSS properties)
				if(type === "number" && !jQuery.cssNumber[origName]) {
					value += "px";
				}

				// Fixes #8908, it can be done more correctly by specifying setters in cssHooks,
				// but it would mean to define eight (for every problematic property) identical functions
				if(!jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0) {
					style[name] = "inherit";
				}

				// If a hook was provided, use that value, otherwise just set the specified value
				if(!hooks || !("set" in hooks) || (value = hooks.set(elem, value, extra)) !== undefined) {
					style[name] = value;
				}

			} else {
				// If a hook was provided get the non-computed value from there
				if(hooks && "get" in hooks && (ret = hooks.get(elem, false, extra)) !== undefined) {
					return ret;
				}

				// Otherwise just get the value from the style object
				return style[name];
			}
		},

		css: function(elem, name, extra, styles) {
			var val, num, hooks,
				//转成驼峰形式，background-color,backgroundColor"
				origName = jQuery.camelCase(name);

			// Make sure that we're working with the right name
			name = jQuery.cssProps[origName] || (jQuery.cssProps[origName] = vendorPropName(elem.style, origName));

			// gets hook for the prefixed version
			// followed by the unprefixed version
			hooks = jQuery.cssHooks[name] || jQuery.cssHooks[origName];

			// If a hook was provided get the computed value from there
			if(hooks && "get" in hooks) {
				val = hooks.get(elem, true, extra);
			}

			// Otherwise, if a way to get the computed value exists, use that
			if(val === undefined) {
				val = curCSS(elem, name, styles);
			}

			//convert "normal" to computed value
			if(val === "normal" && name in cssNormalTransform) {
				val = cssNormalTransform[name];
			}

			// Return, converting to number if forced or a qualifier was provided and val looks numeric
			if(extra === "" || extra) {
				num = parseFloat(val);
				return extra === true || jQuery.isNumeric(num) ? num || 0 : val;
			}
			return val;
		}
	});

	curCSS = function(elem, name, _computed) {
		var width, minWidth, maxWidth,
			computed = _computed || getStyles(elem),

			// Support: IE9
			// getPropertyValue is only needed for .css('filter') in IE9, see #12537
			ret = computed ? computed.getPropertyValue(name) || computed[name] : undefined,
			style = elem.style;

		if(computed) {

			if(ret === "" && !jQuery.contains(elem.ownerDocument, elem)) {
				ret = jQuery.style(elem, name);
			}

			// Support: Safari 5.1
			// A tribute to the "awesome hack by Dean Edwards"
			// Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
			// this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
			if(rnumnonpx.test(ret) && rmargin.test(name)) {

				// Remember the original values
				width = style.width;
				minWidth = style.minWidth;
				maxWidth = style.maxWidth;

				// Put in the new values to get a computed value out
				style.minWidth = style.maxWidth = style.width = ret;
				ret = computed.width;

				// Revert the changed values
				style.width = width;
				style.minWidth = minWidth;
				style.maxWidth = maxWidth;
			}
		}

		return ret;
	};

	function setPositiveNumber(elem, value, subtract) {
		var matches = rnumsplit.exec(value);
		return matches ?
			// Guard against undefined "subtract", e.g., when used as in cssHooks
			Math.max(0, matches[1] - (subtract || 0)) + (matches[2] || "px") :
			value;
	}

	function augmentWidthOrHeight(elem, name, extra, isBorderBox, styles) {
		var i = extra === (isBorderBox ? "border" : "content") ?
			// If we already have the right measurement, avoid augmentation
			4 :
			// Otherwise initialize for horizontal or vertical properties
			name === "width" ? 1 : 0,

			val = 0;

		for(; i < 4; i += 2) {
			// both box models exclude margin, so add it if we want it
			if(extra === "margin") {
				val += jQuery.css(elem, extra + cssExpand[i], true, styles);
			}

			if(isBorderBox) {
				// border-box includes padding, so remove it if we want content
				if(extra === "content") {
					val -= jQuery.css(elem, "padding" + cssExpand[i], true, styles);
				}

				// at this point, extra isn't border nor margin, so remove border
				if(extra !== "margin") {
					val -= jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
				}
			} else {
				// at this point, extra isn't content, so add padding
				val += jQuery.css(elem, "padding" + cssExpand[i], true, styles);

				// at this point, extra isn't content nor padding, so add border
				if(extra !== "padding") {
					val += jQuery.css(elem, "border" + cssExpand[i] + "Width", true, styles);
				}
			}
		}

		return val;
	}

	function getWidthOrHeight(elem, name, extra) {

		// Start with offset property, which is equivalent to the border-box value
		var valueIsBorderBox = true,
			val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
			styles = getStyles(elem),
			isBorderBox = jQuery.support.boxSizing && jQuery.css(elem, "boxSizing", false, styles) === "border-box";

		// some non-html elements return undefined for offsetWidth, so check for null/undefined
		// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
		// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
		if(val <= 0 || val == null) {
			// Fall back to computed then uncomputed css if necessary
			val = curCSS(elem, name, styles);
			if(val < 0 || val == null) {
				val = elem.style[name];
			}

			// Computed unit is not pixels. Stop here and return.
			if(rnumnonpx.test(val)) {
				return val;
			}

			// we need the check for style in case a browser which returns unreliable values
			// for getComputedStyle silently falls back to the reliable elem.style
			valueIsBorderBox = isBorderBox && (jQuery.support.boxSizingReliable || val === elem.style[name]);

			// Normalize "", auto, and prepare for extra
			val = parseFloat(val) || 0;
		}

		// use the active box-sizing model to add/subtract irrelevant styles
		return(val +
			augmentWidthOrHeight(
				elem,
				name,
				extra || (isBorderBox ? "border" : "content"),
				valueIsBorderBox,
				styles
			)
		) + "px";
	}

	// Try to determine the default display value of an element
	function css_defaultDisplay(nodeName) {
		var doc = document,
			display = elemdisplay[nodeName];

		if(!display) {
			display = actualDisplay(nodeName, doc);

			// If the simple way fails, read from inside an iframe
			if(display === "none" || !display) {
				// Use the already-created iframe if possible
				iframe = (iframe ||
					jQuery("<iframe frameborder='0' width='0' height='0'/>")
					.css("cssText", "display:block !important")
				).appendTo(doc.documentElement);

				// Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
				doc = (iframe[0].contentWindow || iframe[0].contentDocument).document;
				doc.write("<!doctype html><html><body>");
				doc.close();

				display = actualDisplay(nodeName, doc);
				iframe.detach();
			}

			// Store the correct default display
			elemdisplay[nodeName] = display;
		}

		return display;
	}

	// Called ONLY from within css_defaultDisplay
	function actualDisplay(name, doc) {
		var elem = jQuery(doc.createElement(name)).appendTo(doc.body),
			display = jQuery.css(elem[0], "display");
		elem.remove();
		return display;
	}

	jQuery.each(["height", "width"], function(i, name) {
		jQuery.cssHooks[name] = {
			get: function(elem, computed, extra) {
				if(computed) {
					// certain elements can have dimension info if we invisibly show them
					// however, it must have a current display style that would benefit from this
					return elem.offsetWidth === 0 && rdisplayswap.test(jQuery.css(elem, "display")) ?
						jQuery.swap(elem, cssShow, function() {
							return getWidthOrHeight(elem, name, extra);
						}) :
						getWidthOrHeight(elem, name, extra);
				}
			},

			set: function(elem, value, extra) {
				var styles = extra && getStyles(elem);
				return setPositiveNumber(elem, value, extra ?
					augmentWidthOrHeight(
						elem,
						name,
						extra,
						jQuery.support.boxSizing && jQuery.css(elem, "boxSizing", false, styles) === "border-box",
						styles
					) : 0
				);
			}
		};
	});

	// These hooks cannot be added until DOM ready because the support test
	// for it is not run until after DOM ready
	jQuery(function() {
		// Support: Android 2.3
		if(!jQuery.support.reliableMarginRight) {
			jQuery.cssHooks.marginRight = {
				get: function(elem, computed) {
					if(computed) {
						// Support: Android 2.3
						// WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
						// Work around by temporarily setting element display to inline-block
						return jQuery.swap(elem, {
								"display": "inline-block"
							},
							curCSS, [elem, "marginRight"]);
					}
				}
			};
		}

		// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
		// getComputedStyle returns percent when specified for top/left/bottom/right
		// rather than make the css module depend on the offset module, we just check for it here
		if(!jQuery.support.pixelPosition && jQuery.fn.position) {
			jQuery.each(["top", "left"], function(i, prop) {
				jQuery.cssHooks[prop] = {
					get: function(elem, computed) {
						if(computed) {
							computed = curCSS(elem, prop);
							// if curCSS returns percentage, fallback to offset
							return rnumnonpx.test(computed) ?
								jQuery(elem).position()[prop] + "px" :
								computed;
						}
					}
				};
			});
		}

	});

	if(jQuery.expr && jQuery.expr.filters) {
		jQuery.expr.filters.hidden = function(elem) {
			// Support: Opera <= 12.12
			// Opera reports offsetWidths and offsetHeights less than zero on some elements
			return elem.offsetWidth <= 0 && elem.offsetHeight <= 0;
		};

		jQuery.expr.filters.visible = function(elem) {
			return !jQuery.expr.filters.hidden(elem);
		};
	}

	// These hooks are used by animate to expand properties
	jQuery.each({
		margin: "",
		padding: "",
		border: "Width"
	}, function(prefix, suffix) {
		jQuery.cssHooks[prefix + suffix] = {
			expand: function(value) {
				var i = 0,
					expanded = {},

					// assumes a single number if not a string
					parts = typeof value === "string" ? value.split(" ") : [value];

				for(; i < 4; i++) {
					expanded[prefix + cssExpand[i] + suffix] =
						parts[i] || parts[i - 2] || parts[0];
				}

				return expanded;
			}
		};

		if(!rmargin.test(prefix)) {
			jQuery.cssHooks[prefix + suffix].set = setPositiveNumber;
		}
	});
	var r20 = /%20/g,
		rbracket = /\[\]$/,
		rCRLF = /\r?\n/g,
		rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
		rsubmittable = /^(?:input|select|textarea|keygen)/i;

	jQuery.fn.extend({
		serialize: function() {
			return jQuery.param(this.serializeArray());
		},
		serializeArray: function() {
			return this.map(function() {
					// Can add propHook for "elements" to filter or add form elements
					var elements = jQuery.prop(this, "elements");
					return elements ? jQuery.makeArray(elements) : this;
				})
				.filter(function() {
					var type = this.type;
					// Use .is(":disabled") so that fieldset[disabled] works
					return this.name && !jQuery(this).is(":disabled") &&
						rsubmittable.test(this.nodeName) && !rsubmitterTypes.test(type) &&
						(this.checked || !manipulation_rcheckableType.test(type));
				})
				.map(function(i, elem) {
					var val = jQuery(this).val();

					return val == null ?
						null :
						jQuery.isArray(val) ?
						jQuery.map(val, function(val) {
							return {
								name: elem.name,
								value: val.replace(rCRLF, "\r\n")
							};
						}) : {
							name: elem.name,
							value: val.replace(rCRLF, "\r\n")
						};
				}).get();
		}
	});

	//Serialize an array of form elements or a set of
	//key/values into a query string
	jQuery.param = function(a, traditional) {
		var prefix,
			s = [],
			add = function(key, value) {
				// If value is a function, invoke it and return its value
				value = jQuery.isFunction(value) ? value() : (value == null ? "" : value);
				s[s.length] = encodeURIComponent(key) + "=" + encodeURIComponent(value);
			};

		// Set traditional to true for jQuery <= 1.3.2 behavior.
		if(traditional === undefined) {
			traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
		}

		// If an array was passed in, assume that it is an array of form elements.
		if(jQuery.isArray(a) || (a.jquery && !jQuery.isPlainObject(a))) {
			// Serialize the form elements
			jQuery.each(a, function() {
				add(this.name, this.value);
			});

		} else {
			// If traditional, encode the "old" way (the way 1.3.2 or older
			// did it), otherwise encode params recursively.
			for(prefix in a) {
				buildParams(prefix, a[prefix], traditional, add);
			}
		}

		// Return the resulting serialization
		return s.join("&").replace(r20, "+");
	};

	function buildParams(prefix, obj, traditional, add) {
		var name;

		if(jQuery.isArray(obj)) {
			// Serialize array item.
			jQuery.each(obj, function(i, v) {
				if(traditional || rbracket.test(prefix)) {
					// Treat each array item as a scalar.
					add(prefix, v);

				} else {
					// Item is non-scalar (array or object), encode its numeric index.
					buildParams(prefix + "[" + (typeof v === "object" ? i : "") + "]", v, traditional, add);
				}
			});

		} else if(!traditional && jQuery.type(obj) === "object") {
			// Serialize object item.
			for(name in obj) {
				buildParams(prefix + "[" + name + "]", obj[name], traditional, add);
			}

		} else {
			// Serialize scalar item.
			add(prefix, obj);
		}
	}
	jQuery.each(("blur focus focusin focusout load resize scroll unload click dblclick " +
		"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
		"change select submit keydown keypress keyup error contextmenu").split(" "), function(i, name) {

		// Handle event binding
		jQuery.fn[name] = function(data, fn) {
			return arguments.length > 0 ?
				this.on(name, null, data, fn) :
				this.trigger(name);
		};
	});

	jQuery.fn.extend({
		hover: function(fnOver, fnOut) {
			return this.mouseenter(fnOver).mouseleave(fnOut || fnOver);
		},

		bind: function(types, data, fn) {
			return this.on(types, null, data, fn);
		},
		unbind: function(types, fn) {
			return this.off(types, null, fn);
		},

		delegate: function(selector, types, data, fn) {
			return this.on(types, selector, data, fn);
		},
		undelegate: function(selector, types, fn) {
			// ( namespace ) or ( selector, types [, fn] )
			return arguments.length === 1 ? this.off(selector, "**") : this.off(types, selector || "**", fn);
		}
	});

	var
	// Document location
		ajaxLocParts,
		ajaxLocation,

		ajax_nonce = jQuery.now(),

		ajax_rquery = /\?/,
		rhash = /#.*$/,
		rts = /([?&])_=[^&]*/,
		rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
		// #7653, #8125, #8152: local protocol detection
		rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
		rnoContent = /^(?:GET|HEAD)$/,
		rprotocol = /^\/\//,
		rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,

		// Keep a copy of the old load method
		_load = jQuery.fn.load,

		/* Prefilters
		 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
		 * 2) These are called:
		 *    - BEFORE asking for a transport
		 *    - AFTER param serialization (s.data is a string if s.processData is true)
		 * 3) key is the dataType
		 * 4) the catchall symbol "*" can be used
		 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
		 */
		prefilters = {},

		/* Transports bindings
		 * 1) key is the dataType
		 * 2) the catchall symbol "*" can be used
		 * 3) selection will start with transport dataType and THEN go to "*" if needed
		 */
		transports = {},

		// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
		allTypes = "*/".concat("*");

	// #8138, IE may throw an exception when accessing
	// a field from window.location if document.domain has been set
	try {
		ajaxLocation = location.href;
	} catch(e) {
		// Use the href attribute of an A element
		// since IE will modify it given document.location
		ajaxLocation = document.createElement("a");
		ajaxLocation.href = "";
		ajaxLocation = ajaxLocation.href;
	}

	// Segment location into parts
	ajaxLocParts = rurl.exec(ajaxLocation.toLowerCase()) || [];

	// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
	function addToPrefiltersOrTransports(structure) {

		// dataTypeExpression is optional and defaults to "*"
		return function(dataTypeExpression, func) {

			if(typeof dataTypeExpression !== "string") {
				func = dataTypeExpression;
				dataTypeExpression = "*";
			}

			var dataType,
				i = 0,
				dataTypes = dataTypeExpression.toLowerCase().match(core_rnotwhite) || [];

			if(jQuery.isFunction(func)) {
				// For each dataType in the dataTypeExpression
				while((dataType = dataTypes[i++])) {
					// Prepend if requested
					if(dataType[0] === "+") {
						dataType = dataType.slice(1) || "*";
						(structure[dataType] = structure[dataType] || []).unshift(func);

						// Otherwise append
					} else {
						(structure[dataType] = structure[dataType] || []).push(func);
					}
				}
			}
		};
	}

	// Base inspection function for prefilters and transports
	function inspectPrefiltersOrTransports(structure, options, originalOptions, jqXHR) {

		var inspected = {},
			seekingTransport = (structure === transports);

		function inspect(dataType) {
			var selected;
			inspected[dataType] = true;
			jQuery.each(structure[dataType] || [], function(_, prefilterOrFactory) {
				var dataTypeOrTransport = prefilterOrFactory(options, originalOptions, jqXHR);
				if(typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[dataTypeOrTransport]) {
					options.dataTypes.unshift(dataTypeOrTransport);
					inspect(dataTypeOrTransport);
					return false;
				} else if(seekingTransport) {
					return !(selected = dataTypeOrTransport);
				}
			});
			return selected;
		}

		return inspect(options.dataTypes[0]) || !inspected["*"] && inspect("*");
	}

	// A special extend for ajax options
	// that takes "flat" options (not to be deep extended)
	// Fixes #9887
	function ajaxExtend(target, src) {
		var key, deep,
			flatOptions = jQuery.ajaxSettings.flatOptions || {};

		for(key in src) {
			if(src[key] !== undefined) {
				(flatOptions[key] ? target : (deep || (deep = {})))[key] = src[key];
			}
		}
		if(deep) {
			jQuery.extend(true, target, deep);
		}

		return target;
	}

	jQuery.fn.load = function(url, params, callback) {
		if(typeof url !== "string" && _load) {
			return _load.apply(this, arguments);
		}

		var selector, type, response,
			self = this,
			off = url.indexOf(" ");

		if(off >= 0) {
			selector = url.slice(off);
			url = url.slice(0, off);
		}

		// If it's a function
		if(jQuery.isFunction(params)) {

			// We assume that it's the callback
			callback = params;
			params = undefined;

			// Otherwise, build a param string
		} else if(params && typeof params === "object") {
			type = "POST";
		}

		// If we have elements to modify, make the request
		if(self.length > 0) {
			jQuery.ajax({
				url: url,

				// if "type" variable is undefined, then "GET" method will be used
				type: type,
				dataType: "html",
				data: params
			}).done(function(responseText) {

				// Save response for use in complete callback
				response = arguments;

				self.html(selector ?

					// If a selector was specified, locate the right elements in a dummy div
					// Exclude scripts to avoid IE 'Permission Denied' errors
					jQuery("<div>").append(jQuery.parseHTML(responseText)).find(selector) :

					// Otherwise use the full result
					responseText);

			}).complete(callback && function(jqXHR, status) {
				self.each(callback, response || [jqXHR.responseText, status, jqXHR]);
			});
		}

		return this;
	};

	// Attach a bunch of functions for handling common AJAX events
	jQuery.each(["ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend"], function(i, type) {
		jQuery.fn[type] = function(fn) {
			return this.on(type, fn);
		};
	});

	jQuery.extend({

		// Counter for holding the number of active queries
		active: 0,

		// Last-Modified header cache for next request
		lastModified: {},
		etag: {},

		ajaxSettings: {
			url: ajaxLocation,
			type: "GET",
			isLocal: rlocalProtocol.test(ajaxLocParts[1]),
			global: true,
			processData: true,
			async: true,
			contentType: "application/x-www-form-urlencoded; charset=UTF-8",
			/*
		timeout: 0,
		data: null,
		dataType: null,
		username: null,
		password: null,
		cache: null,
		throws: false,
		traditional: false,
		headers: {},
		*/

			accepts: {
				"*": allTypes,
				text: "text/plain",
				html: "text/html",
				xml: "application/xml, text/xml",
				json: "application/json, text/javascript"
			},

			contents: {
				xml: /xml/,
				html: /html/,
				json: /json/
			},

			responseFields: {
				xml: "responseXML",
				text: "responseText",
				json: "responseJSON"
			},

			// Data converters
			// Keys separate source (or catchall "*") and destination types with a single space
			converters: {

				// Convert anything to text
				"* text": String,

				// Text to html (true = no transformation)
				"text html": true,

				// Evaluate text as a json expression
				"text json": jQuery.parseJSON,

				// Parse text as xml
				"text xml": jQuery.parseXML
			},

			// For options that shouldn't be deep extended:
			// you can add your own custom options here if
			// and when you create one that shouldn't be
			// deep extended (see ajaxExtend)
			flatOptions: {
				url: true,
				context: true
			}
		},

		// Creates a full fledged settings object into target
		// with both ajaxSettings and settings fields.
		// If target is omitted, writes into ajaxSettings.
		ajaxSetup: function(target, settings) {
			return settings ?

				// Building a settings object
				ajaxExtend(ajaxExtend(target, jQuery.ajaxSettings), settings) :

				// Extending ajaxSettings
				ajaxExtend(jQuery.ajaxSettings, target);
		},

		ajaxPrefilter: addToPrefiltersOrTransports(prefilters),
		ajaxTransport: addToPrefiltersOrTransports(transports),

		// Main method
		ajax: function(url, options) {

			// If url is an object, simulate pre-1.5 signature
			if(typeof url === "object") {
				options = url;
				url = undefined;
			}

			// Force options to be an object
			options = options || {};

			var transport,
				// URL without anti-cache param
				cacheURL,
				// Response headers
				responseHeadersString,
				responseHeaders,
				// timeout handle
				timeoutTimer,
				// Cross-domain detection vars
				parts,
				// To know if global events are to be dispatched
				fireGlobals,
				// Loop variable
				i,
				// Create the final options object
				s = jQuery.ajaxSetup({}, options),
				// Callbacks context
				callbackContext = s.context || s,
				// Context for global events is callbackContext if it is a DOM node or jQuery collection
				globalEventContext = s.context && (callbackContext.nodeType || callbackContext.jquery) ?
				jQuery(callbackContext) :
				jQuery.event,
				// Deferreds
				deferred = jQuery.Deferred(),
				completeDeferred = jQuery.Callbacks("once memory"),
				// Status-dependent callbacks
				statusCode = s.statusCode || {},
				// Headers (they are sent all at once)
				requestHeaders = {},
				requestHeadersNames = {},
				// The jqXHR state
				state = 0,
				// Default abort message
				strAbort = "canceled",
				// Fake xhr
				jqXHR = {
					readyState: 0,

					// Builds headers hashtable if needed
					getResponseHeader: function(key) {
						var match;
						if(state === 2) {
							if(!responseHeaders) {
								responseHeaders = {};
								while((match = rheaders.exec(responseHeadersString))) {
									responseHeaders[match[1].toLowerCase()] = match[2];
								}
							}
							match = responseHeaders[key.toLowerCase()];
						}
						return match == null ? null : match;
					},

					// Raw string
					getAllResponseHeaders: function() {
						return state === 2 ? responseHeadersString : null;
					},

					// Caches the header
					setRequestHeader: function(name, value) {
						var lname = name.toLowerCase();
						if(!state) {
							name = requestHeadersNames[lname] = requestHeadersNames[lname] || name;
							requestHeaders[name] = value;
						}
						return this;
					},

					// Overrides response content-type header
					overrideMimeType: function(type) {
						if(!state) {
							s.mimeType = type;
						}
						return this;
					},

					// Status-dependent callbacks
					statusCode: function(map) {
						var code;
						if(map) {
							if(state < 2) {
								for(code in map) {
									// Lazy-add the new callback in a way that preserves old ones
									statusCode[code] = [statusCode[code], map[code]];
								}
							} else {
								// Execute the appropriate callbacks
								jqXHR.always(map[jqXHR.status]);
							}
						}
						return this;
					},

					// Cancel the request
					abort: function(statusText) {
						var finalText = statusText || strAbort;
						if(transport) {
							transport.abort(finalText);
						}
						done(0, finalText);
						return this;
					}
				};

			// Attach deferreds
			deferred.promise(jqXHR).complete = completeDeferred.add;
			jqXHR.success = jqXHR.done;
			jqXHR.error = jqXHR.fail;

			// Remove hash character (#7531: and string promotion)
			// Add protocol if not provided (prefilters might expect it)
			// Handle falsy url in the settings object (#10093: consistency with old signature)
			// We also use the url parameter if available
			s.url = ((url || s.url || ajaxLocation) + "").replace(rhash, "")
				.replace(rprotocol, ajaxLocParts[1] + "//");

			// Alias method option to type as per ticket #12004
			s.type = options.method || options.type || s.method || s.type;

			// Extract dataTypes list
			s.dataTypes = jQuery.trim(s.dataType || "*").toLowerCase().match(core_rnotwhite) || [""];

			// A cross-domain request is in order when we have a protocol:host:port mismatch
			if(s.crossDomain == null) {
				parts = rurl.exec(s.url.toLowerCase());
				s.crossDomain = !!(parts &&
					(parts[1] !== ajaxLocParts[1] || parts[2] !== ajaxLocParts[2] ||
						(parts[3] || (parts[1] === "http:" ? "80" : "443")) !==
						(ajaxLocParts[3] || (ajaxLocParts[1] === "http:" ? "80" : "443")))
				);
			}

			// Convert data if not already a string
			if(s.data && s.processData && typeof s.data !== "string") {
				s.data = jQuery.param(s.data, s.traditional);
			}

			// Apply prefilters
			inspectPrefiltersOrTransports(prefilters, s, options, jqXHR);

			// If request was aborted inside a prefilter, stop there
			if(state === 2) {
				return jqXHR;
			}

			// We can fire global events as of now if asked to
			fireGlobals = s.global;

			// Watch for a new set of requests
			if(fireGlobals && jQuery.active++ === 0) {
				jQuery.event.trigger("ajaxStart");
			}

			// Uppercase the type
			s.type = s.type.toUpperCase();

			// Determine if request has content
			s.hasContent = !rnoContent.test(s.type);

			// Save the URL in case we're toying with the If-Modified-Since
			// and/or If-None-Match header later on
			cacheURL = s.url;

			// More options handling for requests with no content
			if(!s.hasContent) {

				// If data is available, append data to url
				if(s.data) {
					cacheURL = (s.url += (ajax_rquery.test(cacheURL) ? "&" : "?") + s.data);
					// #9682: remove data so that it's not used in an eventual retry
					delete s.data;
				}

				// Add anti-cache in url if needed
				if(s.cache === false) {
					s.url = rts.test(cacheURL) ?

						// If there is already a '_' parameter, set its value
						cacheURL.replace(rts, "$1_=" + ajax_nonce++) :

						// Otherwise add one to the end
						cacheURL + (ajax_rquery.test(cacheURL) ? "&" : "?") + "_=" + ajax_nonce++;
				}
			}

			// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
			if(s.ifModified) {
				if(jQuery.lastModified[cacheURL]) {
					jqXHR.setRequestHeader("If-Modified-Since", jQuery.lastModified[cacheURL]);
				}
				if(jQuery.etag[cacheURL]) {
					jqXHR.setRequestHeader("If-None-Match", jQuery.etag[cacheURL]);
				}
			}

			// Set the correct header, if data is being sent
			if(s.data && s.hasContent && s.contentType !== false || options.contentType) {
				jqXHR.setRequestHeader("Content-Type", s.contentType);
			}

			// Set the Accepts header for the server, depending on the dataType
			jqXHR.setRequestHeader(
				"Accept",
				s.dataTypes[0] && s.accepts[s.dataTypes[0]] ?
				s.accepts[s.dataTypes[0]] + (s.dataTypes[0] !== "*" ? ", " + allTypes + "; q=0.01" : "") :
				s.accepts["*"]
			);

			// Check for headers option
			for(i in s.headers) {
				jqXHR.setRequestHeader(i, s.headers[i]);
			}

			// Allow custom headers/mimetypes and early abort
			if(s.beforeSend && (s.beforeSend.call(callbackContext, jqXHR, s) === false || state === 2)) {
				// Abort if not done already and return
				return jqXHR.abort();
			}

			// aborting is no longer a cancellation
			strAbort = "abort";

			// Install callbacks on deferreds
			for(i in {
					success: 1,
					error: 1,
					complete: 1
				}) {
				jqXHR[i](s[i]);
			}

			// Get transport
			transport = inspectPrefiltersOrTransports(transports, s, options, jqXHR);

			// If no transport, we auto-abort
			if(!transport) {
				done(-1, "No Transport");
			} else {
				jqXHR.readyState = 1;

				// Send global event
				if(fireGlobals) {
					globalEventContext.trigger("ajaxSend", [jqXHR, s]);
				}
				// Timeout
				if(s.async && s.timeout > 0) {
					timeoutTimer = setTimeout(function() {
						jqXHR.abort("timeout");
					}, s.timeout);
				}

				try {
					state = 1;
					transport.send(requestHeaders, done);
				} catch(e) {
					// Propagate exception as error if not done
					if(state < 2) {
						done(-1, e);
						// Simply rethrow otherwise
					} else {
						throw e;
					}
				}
			}

			// Callback for when everything is done
			function done(status, nativeStatusText, responses, headers) {
				var isSuccess, success, error, response, modified,
					statusText = nativeStatusText;

				// Called once
				if(state === 2) {
					return;
				}

				// State is "done" now
				state = 2;

				// Clear timeout if it exists
				if(timeoutTimer) {
					clearTimeout(timeoutTimer);
				}

				// Dereference transport for early garbage collection
				// (no matter how long the jqXHR object will be used)
				transport = undefined;

				// Cache response headers
				responseHeadersString = headers || "";

				// Set readyState
				jqXHR.readyState = status > 0 ? 4 : 0;

				// Determine if successful
				isSuccess = status >= 200 && status < 300 || status === 304;

				// Get response data
				if(responses) {
					response = ajaxHandleResponses(s, jqXHR, responses);
				}

				// Convert no matter what (that way responseXXX fields are always set)
				response = ajaxConvert(s, response, jqXHR, isSuccess);

				// If successful, handle type chaining
				if(isSuccess) {

					// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
					if(s.ifModified) {
						modified = jqXHR.getResponseHeader("Last-Modified");
						if(modified) {
							jQuery.lastModified[cacheURL] = modified;
						}
						modified = jqXHR.getResponseHeader("etag");
						if(modified) {
							jQuery.etag[cacheURL] = modified;
						}
					}

					// if no content
					if(status === 204 || s.type === "HEAD") {
						statusText = "nocontent";

						// if not modified
					} else if(status === 304) {
						statusText = "notmodified";

						// If we have data, let's convert it
					} else {
						statusText = response.state;
						success = response.data;
						error = response.error;
						isSuccess = !error;
					}
				} else {
					// We extract error from statusText
					// then normalize statusText and status for non-aborts
					error = statusText;
					if(status || !statusText) {
						statusText = "error";
						if(status < 0) {
							status = 0;
						}
					}
				}

				// Set data for the fake xhr object
				jqXHR.status = status;
				jqXHR.statusText = (nativeStatusText || statusText) + "";

				// Success/Error
				if(isSuccess) {
					deferred.resolveWith(callbackContext, [success, statusText, jqXHR]);
				} else {
					deferred.rejectWith(callbackContext, [jqXHR, statusText, error]);
				}

				// Status-dependent callbacks
				jqXHR.statusCode(statusCode);
				statusCode = undefined;

				if(fireGlobals) {
					globalEventContext.trigger(isSuccess ? "ajaxSuccess" : "ajaxError", [jqXHR, s, isSuccess ? success : error]);
				}

				// Complete
				completeDeferred.fireWith(callbackContext, [jqXHR, statusText]);

				if(fireGlobals) {
					globalEventContext.trigger("ajaxComplete", [jqXHR, s]);
					// Handle the global AJAX counter
					if(!(--jQuery.active)) {
						jQuery.event.trigger("ajaxStop");
					}
				}
			}

			return jqXHR;
		},

		getJSON: function(url, data, callback) {
			return jQuery.get(url, data, callback, "json");
		},

		getScript: function(url, callback) {
			return jQuery.get(url, undefined, callback, "script");
		}
	});

	jQuery.each(["get", "post"], function(i, method) {
		jQuery[method] = function(url, data, callback, type) {
			// shift arguments if data argument was omitted
			if(jQuery.isFunction(data)) {
				type = type || callback;
				callback = data;
				data = undefined;
			}

			return jQuery.ajax({
				url: url,
				type: method,
				dataType: type,
				data: data,
				success: callback
			});
		};
	});

	/* Handles responses to an ajax request:
	 * - finds the right dataType (mediates between content-type and expected dataType)
	 * - returns the corresponding response
	 */
	function ajaxHandleResponses(s, jqXHR, responses) {

		var ct, type, finalDataType, firstDataType,
			contents = s.contents,
			dataTypes = s.dataTypes;

		// Remove auto dataType and get content-type in the process
		while(dataTypes[0] === "*") {
			dataTypes.shift();
			if(ct === undefined) {
				ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
			}
		}

		// Check if we're dealing with a known content-type
		if(ct) {
			for(type in contents) {
				if(contents[type] && contents[type].test(ct)) {
					dataTypes.unshift(type);
					break;
				}
			}
		}

		// Check to see if we have a response for the expected dataType
		if(dataTypes[0] in responses) {
			finalDataType = dataTypes[0];
		} else {
			// Try convertible dataTypes
			for(type in responses) {
				if(!dataTypes[0] || s.converters[type + " " + dataTypes[0]]) {
					finalDataType = type;
					break;
				}
				if(!firstDataType) {
					firstDataType = type;
				}
			}
			// Or just use first one
			finalDataType = finalDataType || firstDataType;
		}

		// If we found a dataType
		// We add the dataType to the list if needed
		// and return the corresponding response
		if(finalDataType) {
			if(finalDataType !== dataTypes[0]) {
				dataTypes.unshift(finalDataType);
			}
			return responses[finalDataType];
		}
	}

	/* Chain conversions given the request and the original response
	 * Also sets the responseXXX fields on the jqXHR instance
	 */
	function ajaxConvert(s, response, jqXHR, isSuccess) {
		var conv2, current, conv, tmp, prev,
			converters = {},
			// Work with a copy of dataTypes in case we need to modify it for conversion
			dataTypes = s.dataTypes.slice();

		// Create converters map with lowercased keys
		if(dataTypes[1]) {
			for(conv in s.converters) {
				converters[conv.toLowerCase()] = s.converters[conv];
			}
		}

		current = dataTypes.shift();

		// Convert to each sequential dataType
		while(current) {

			if(s.responseFields[current]) {
				jqXHR[s.responseFields[current]] = response;
			}

			// Apply the dataFilter if provided
			if(!prev && isSuccess && s.dataFilter) {
				response = s.dataFilter(response, s.dataType);
			}

			prev = current;
			current = dataTypes.shift();

			if(current) {

				// There's only work to do if current dataType is non-auto
				if(current === "*") {

					current = prev;

					// Convert response if prev dataType is non-auto and differs from current
				} else if(prev !== "*" && prev !== current) {

					// Seek a direct converter
					conv = converters[prev + " " + current] || converters["* " + current];

					// If none found, seek a pair
					if(!conv) {
						for(conv2 in converters) {

							// If conv2 outputs current
							tmp = conv2.split(" ");
							if(tmp[1] === current) {

								// If prev can be converted to accepted input
								conv = converters[prev + " " + tmp[0]] ||
									converters["* " + tmp[0]];
								if(conv) {
									// Condense equivalence converters
									if(conv === true) {
										conv = converters[conv2];

										// Otherwise, insert the intermediate dataType
									} else if(converters[conv2] !== true) {
										current = tmp[0];
										dataTypes.unshift(tmp[1]);
									}
									break;
								}
							}
						}
					}

					// Apply converter (if not an equivalence)
					if(conv !== true) {

						// Unless errors are allowed to bubble, catch and return them
						if(conv && s["throws"]) {
							response = conv(response);
						} else {
							try {
								response = conv(response);
							} catch(e) {
								return {
									state: "parsererror",
									error: conv ? e : "No conversion from " + prev + " to " + current
								};
							}
						}
					}
				}
			}
		}

		return {
			state: "success",
			data: response
		};
	}
	// Install script dataType
	jQuery.ajaxSetup({
		accepts: {
			script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
		},
		contents: {
			script: /(?:java|ecma)script/
		},
		converters: {
			"text script": function(text) {
				jQuery.globalEval(text);
				return text;
			}
		}
	});

	// Handle cache's special case and crossDomain
	jQuery.ajaxPrefilter("script", function(s) {
		if(s.cache === undefined) {
			s.cache = false;
		}
		if(s.crossDomain) {
			s.type = "GET";
		}
	});

	// Bind script tag hack transport
	jQuery.ajaxTransport("script", function(s) {
		// This transport only deals with cross domain requests
		if(s.crossDomain) {
			var script, callback;
			return {
				send: function(_, complete) {
					script = jQuery("<script>").prop({
						async: true,
						charset: s.scriptCharset,
						src: s.url
					}).on(
						"load error",
						callback = function(evt) {
							script.remove();
							callback = null;
							if(evt) {
								complete(evt.type === "error" ? 404 : 200, evt.type);
							}
						}
					);
					document.head.appendChild(script[0]);
				},
				abort: function() {
					if(callback) {
						callback();
					}
				}
			};
		}
	});
	var oldCallbacks = [],
		rjsonp = /(=)\?(?=&|$)|\?\?/;

	// Default jsonp settings
	jQuery.ajaxSetup({
		jsonp: "callback",
		jsonpCallback: function() {
			var callback = oldCallbacks.pop() || (jQuery.expando + "_" + (ajax_nonce++));
			this[callback] = true;
			return callback;
		}
	});

	// Detect, normalize options and install callbacks for jsonp requests
	jQuery.ajaxPrefilter("json jsonp", function(s, originalSettings, jqXHR) {

		var callbackName, overwritten, responseContainer,
			jsonProp = s.jsonp !== false && (rjsonp.test(s.url) ?
				"url" :
				typeof s.data === "string" && !(s.contentType || "").indexOf("application/x-www-form-urlencoded") && rjsonp.test(s.data) && "data"
			);

		// Handle iff the expected data type is "jsonp" or we have a parameter to set
		if(jsonProp || s.dataTypes[0] === "jsonp") {

			// Get callback name, remembering preexisting value associated with it
			callbackName = s.jsonpCallback = jQuery.isFunction(s.jsonpCallback) ?
				s.jsonpCallback() :
				s.jsonpCallback;

			// Insert callback into url or form data
			if(jsonProp) {
				s[jsonProp] = s[jsonProp].replace(rjsonp, "$1" + callbackName);
			} else if(s.jsonp !== false) {
				s.url += (ajax_rquery.test(s.url) ? "&" : "?") + s.jsonp + "=" + callbackName;
			}

			// Use data converter to retrieve json after script execution
			s.converters["script json"] = function() {
				if(!responseContainer) {
					jQuery.error(callbackName + " was not called");
				}
				return responseContainer[0];
			};

			// force json dataType
			s.dataTypes[0] = "json";

			// Install callback
			overwritten = window[callbackName];
			window[callbackName] = function() {
				responseContainer = arguments;
			};

			// Clean-up function (fires after converters)
			jqXHR.always(function() {
				// Restore preexisting value
				window[callbackName] = overwritten;

				// Save back as free
				if(s[callbackName]) {
					// make sure that re-using the options doesn't screw things around
					s.jsonpCallback = originalSettings.jsonpCallback;

					// save the callback name for future use
					oldCallbacks.push(callbackName);
				}

				// Call if it was a function and we have a response
				if(responseContainer && jQuery.isFunction(overwritten)) {
					overwritten(responseContainer[0]);
				}

				responseContainer = overwritten = undefined;
			});

			// Delegate to script
			return "script";
		}
	});

	jQuery.ajaxSettings.xhr = function() {
		try {
			return new XMLHttpRequest();
		} catch(e) {}
	};

	var xhrSupported = jQuery.ajaxSettings.xhr(),
		xhrSuccessStatus = {
			// file protocol always yields status code 0, assume 200
			0: 200,
			// Support: IE9
			// #1450: sometimes IE returns 1223 when it should be 204
			1223: 204
		},
		// Support: IE9
		// We need to keep track of outbound xhr and abort them manually
		// because IE is not smart enough to do it all by itself
		xhrId = 0,
		xhrCallbacks = {};

	if(window.ActiveXObject) {
		jQuery(window).on("unload", function() {
			for(var key in xhrCallbacks) {
				xhrCallbacks[key]();
			}
			xhrCallbacks = undefined;
		});
	}

	jQuery.support.cors = !!xhrSupported && ("withCredentials" in xhrSupported);
	jQuery.support.ajax = xhrSupported = !!xhrSupported;

	jQuery.ajaxTransport(function(options) {
		var callback;
		// Cross domain only allowed if supported through XMLHttpRequest
		if(jQuery.support.cors || xhrSupported && !options.crossDomain) {
			return {
				send: function(headers, complete) {
					var i, id,
						xhr = options.xhr();
					xhr.open(options.type, options.url, options.async, options.username, options.password);
					// Apply custom fields if provided
					if(options.xhrFields) {
						for(i in options.xhrFields) {
							xhr[i] = options.xhrFields[i];
						}
					}
					// Override mime type if needed
					if(options.mimeType && xhr.overrideMimeType) {
						xhr.overrideMimeType(options.mimeType);
					}
					// X-Requested-With header
					// For cross-domain requests, seeing as conditions for a preflight are
					// akin to a jigsaw puzzle, we simply never set it to be sure.
					// (it can always be set on a per-request basis or even using ajaxSetup)
					// For same-domain requests, won't change header if already provided.
					if(!options.crossDomain && !headers["X-Requested-With"]) {
						headers["X-Requested-With"] = "XMLHttpRequest";
					}
					// Set headers
					for(i in headers) {
						xhr.setRequestHeader(i, headers[i]);
					}
					// Callback
					callback = function(type) {
						return function() {
							if(callback) {
								delete xhrCallbacks[id];
								callback = xhr.onload = xhr.onerror = null;
								if(type === "abort") {
									xhr.abort();
								} else if(type === "error") {
									complete(
										// file protocol always yields status 0, assume 404
										xhr.status || 404,
										xhr.statusText
									);
								} else {
									complete(
										xhrSuccessStatus[xhr.status] || xhr.status,
										xhr.statusText,
										// Support: IE9
										// #11426: When requesting binary data, IE9 will throw an exception
										// on any attempt to access responseText
										typeof xhr.responseText === "string" ? {
											text: xhr.responseText
										} : undefined,
										xhr.getAllResponseHeaders()
									);
								}
							}
						};
					};
					// Listen to events
					xhr.onload = callback();
					xhr.onerror = callback("error");
					// Create the abort callback
					callback = xhrCallbacks[(id = xhrId++)] = callback("abort");
					// Do send the request
					// This may raise an exception which is actually
					// handled in jQuery.ajax (so no try/catch here)
					xhr.send(options.hasContent && options.data || null);
				},
				abort: function() {
					if(callback) {
						callback();
					}
				}
			};
		}
	});

	var fxNow, timerId,
		rfxtypes = /^(?:toggle|show|hide)$/,
		rfxnum = new RegExp("^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i"),
		rrun = /queueHooks$/,
		animationPrefilters = [defaultPrefilter],
		tweeners = {
			"*": [function(prop, value) {
				var tween = this.createTween(prop, value),
					target = tween.cur(),
					parts = rfxnum.exec(value),
					unit = parts && parts[3] || (jQuery.cssNumber[prop] ? "" : "px"),

					// Starting value computation is required for potential unit mismatches
					start = (jQuery.cssNumber[prop] || unit !== "px" && +target) &&
					rfxnum.exec(jQuery.css(tween.elem, prop)),
					scale = 1,
					maxIterations = 20;

				if(start && start[3] !== unit) {
					// Trust units reported by jQuery.css
					unit = unit || start[3];

					// Make sure we update the tween properties later on
					parts = parts || [];

					// Iteratively approximate from a nonzero starting point
					start = +target || 1;

					do {
						// If previous iteration zeroed out, double until we get *something*
						// Use a string for doubling factor so we don't accidentally see scale as unchanged below
						scale = scale || ".5";

						// Adjust and apply
						start = start / scale;
						jQuery.style(tween.elem, prop, start + unit);

						// Update scale, tolerating zero or NaN from tween.cur()
						// And breaking the loop if scale is unchanged or perfect, or if we've just had enough
					} while (scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations);
				}

				// Update tween properties
				if(parts) {
					start = tween.start = +start || +target || 0;
					tween.unit = unit;
					// If a +=/-= token was provided, we're doing a relative animation
					tween.end = parts[1] ?
						start + (parts[1] + 1) * parts[2] :
						+parts[2];
				}

				return tween;
			}]
		};

	// Animations created synchronously will run synchronously
	function createFxNow() {
		setTimeout(function() {
			fxNow = undefined;
		});
		return(fxNow = jQuery.now());
	}

	function createTween(value, prop, animation) {
		var tween,
			collection = (tweeners[prop] || []).concat(tweeners["*"]),
			index = 0,
			length = collection.length;
		for(; index < length; index++) {
			if((tween = collection[index].call(animation, prop, value))) {

				// we're done with this property
				return tween;
			}
		}
	}

	function Animation(elem, properties, options) {
		var result,
			stopped,
			index = 0,
			length = animationPrefilters.length,
			deferred = jQuery.Deferred().always(function() {
				// don't match elem in the :animated selector
				delete tick.elem;
			}),
			tick = function() {
				if(stopped) {
					return false;
				}
				var currentTime = fxNow || createFxNow(),
					remaining = Math.max(0, animation.startTime + animation.duration - currentTime),
					// archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
					temp = remaining / animation.duration || 0,
					percent = 1 - temp,
					index = 0,
					length = animation.tweens.length;

				for(; index < length; index++) {
					animation.tweens[index].run(percent);
				}

				deferred.notifyWith(elem, [animation, percent, remaining]);

				if(percent < 1 && length) {
					return remaining;
				} else {
					deferred.resolveWith(elem, [animation]);
					return false;
				}
			},
			animation = deferred.promise({
				elem: elem,
				props: jQuery.extend({}, properties),
				opts: jQuery.extend(true, {
					specialEasing: {}
				}, options),
				originalProperties: properties,
				originalOptions: options,
				startTime: fxNow || createFxNow(),
				duration: options.duration,
				tweens: [],
				createTween: function(prop, end) {
					var tween = jQuery.Tween(elem, animation.opts, prop, end,
						animation.opts.specialEasing[prop] || animation.opts.easing);
					animation.tweens.push(tween);
					return tween;
				},
				stop: function(gotoEnd) {
					var index = 0,
						// if we are going to the end, we want to run all the tweens
						// otherwise we skip this part
						length = gotoEnd ? animation.tweens.length : 0;
					if(stopped) {
						return this;
					}
					stopped = true;
					for(; index < length; index++) {
						animation.tweens[index].run(1);
					}

					// resolve when we played the last frame
					// otherwise, reject
					if(gotoEnd) {
						deferred.resolveWith(elem, [animation, gotoEnd]);
					} else {
						deferred.rejectWith(elem, [animation, gotoEnd]);
					}
					return this;
				}
			}),
			props = animation.props;

		propFilter(props, animation.opts.specialEasing);

		for(; index < length; index++) {
			result = animationPrefilters[index].call(animation, elem, props, animation.opts);
			if(result) {
				return result;
			}
		}

		jQuery.map(props, createTween, animation);

		if(jQuery.isFunction(animation.opts.start)) {
			animation.opts.start.call(elem, animation);
		}

		jQuery.fx.timer(
			jQuery.extend(tick, {
				elem: elem,
				anim: animation,
				queue: animation.opts.queue
			})
		);

		// attach callbacks from options
		return animation.progress(animation.opts.progress)
			.done(animation.opts.done, animation.opts.complete)
			.fail(animation.opts.fail)
			.always(animation.opts.always);
	}

	function propFilter(props, specialEasing) {
		var index, name, easing, value, hooks;

		// camelCase, specialEasing and expand cssHook pass
		for(index in props) {
			name = jQuery.camelCase(index);
			easing = specialEasing[name];
			value = props[index];
			if(jQuery.isArray(value)) {
				easing = value[1];
				value = props[index] = value[0];
			}

			if(index !== name) {
				props[name] = value;
				delete props[index];
			}

			hooks = jQuery.cssHooks[name];
			if(hooks && "expand" in hooks) {
				value = hooks.expand(value);
				delete props[name];

				// not quite $.extend, this wont overwrite keys already present.
				// also - reusing 'index' from above because we have the correct "name"
				for(index in value) {
					if(!(index in props)) {
						props[index] = value[index];
						specialEasing[index] = easing;
					}
				}
			} else {
				specialEasing[name] = easing;
			}
		}
	}

	jQuery.Animation = jQuery.extend(Animation, {

		tweener: function(props, callback) {
			if(jQuery.isFunction(props)) {
				callback = props;
				props = ["*"];
			} else {
				props = props.split(" ");
			}

			var prop,
				index = 0,
				length = props.length;

			for(; index < length; index++) {
				prop = props[index];
				tweeners[prop] = tweeners[prop] || [];
				tweeners[prop].unshift(callback);
			}
		},

		prefilter: function(callback, prepend) {
			if(prepend) {
				animationPrefilters.unshift(callback);
			} else {
				animationPrefilters.push(callback);
			}
		}
	});

	function defaultPrefilter(elem, props, opts) {
		/* jshint validthis: true */
		var prop, value, toggle, tween, hooks, oldfire,
			anim = this,
			orig = {},
			style = elem.style,
			hidden = elem.nodeType && isHidden(elem),
			dataShow = data_priv.get(elem, "fxshow");

		// handle queue: false promises
		if(!opts.queue) {
			hooks = jQuery._queueHooks(elem, "fx");
			if(hooks.unqueued == null) {
				hooks.unqueued = 0;
				oldfire = hooks.empty.fire;
				hooks.empty.fire = function() {
					if(!hooks.unqueued) {
						oldfire();
					}
				};
			}
			hooks.unqueued++;

			anim.always(function() {
				// doing this makes sure that the complete handler will be called
				// before this completes
				anim.always(function() {
					hooks.unqueued--;
					if(!jQuery.queue(elem, "fx").length) {
						hooks.empty.fire();
					}
				});
			});
		}

		// height/width overflow pass
		if(elem.nodeType === 1 && ("height" in props || "width" in props)) {
			// Make sure that nothing sneaks out
			// Record all 3 overflow attributes because IE9-10 do not
			// change the overflow attribute when overflowX and
			// overflowY are set to the same value
			opts.overflow = [style.overflow, style.overflowX, style.overflowY];

			// Set display property to inline-block for height/width
			// animations on inline elements that are having width/height animated
			if(jQuery.css(elem, "display") === "inline" &&
				jQuery.css(elem, "float") === "none") {

				style.display = "inline-block";
			}
		}

		if(opts.overflow) {
			style.overflow = "hidden";
			anim.always(function() {
				style.overflow = opts.overflow[0];
				style.overflowX = opts.overflow[1];
				style.overflowY = opts.overflow[2];
			});
		}

		// show/hide pass
		for(prop in props) {
			value = props[prop];
			if(rfxtypes.exec(value)) {
				delete props[prop];
				toggle = toggle || value === "toggle";
				if(value === (hidden ? "hide" : "show")) {

					// If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
					if(value === "show" && dataShow && dataShow[prop] !== undefined) {
						hidden = true;
					} else {
						continue;
					}
				}
				orig[prop] = dataShow && dataShow[prop] || jQuery.style(elem, prop);
			}
		}

		if(!jQuery.isEmptyObject(orig)) {
			if(dataShow) {
				if("hidden" in dataShow) {
					hidden = dataShow.hidden;
				}
			} else {
				dataShow = data_priv.access(elem, "fxshow", {});
			}

			// store state if its toggle - enables .stop().toggle() to "reverse"
			if(toggle) {
				dataShow.hidden = !hidden;
			}
			if(hidden) {
				jQuery(elem).show();
			} else {
				anim.done(function() {
					jQuery(elem).hide();
				});
			}
			anim.done(function() {
				var prop;

				data_priv.remove(elem, "fxshow");
				for(prop in orig) {
					jQuery.style(elem, prop, orig[prop]);
				}
			});
			for(prop in orig) {
				tween = createTween(hidden ? dataShow[prop] : 0, prop, anim);

				if(!(prop in dataShow)) {
					dataShow[prop] = tween.start;
					if(hidden) {
						tween.end = tween.start;
						tween.start = prop === "width" || prop === "height" ? 1 : 0;
					}
				}
			}
		}
	}

	function Tween(elem, options, prop, end, easing) {
		return new Tween.prototype.init(elem, options, prop, end, easing);
	}
	jQuery.Tween = Tween;

	Tween.prototype = {
		constructor: Tween,
		init: function(elem, options, prop, end, easing, unit) {
			this.elem = elem;
			this.prop = prop;
			this.easing = easing || "swing";
			this.options = options;
			this.start = this.now = this.cur();
			this.end = end;
			this.unit = unit || (jQuery.cssNumber[prop] ? "" : "px");
		},
		cur: function() {
			var hooks = Tween.propHooks[this.prop];

			return hooks && hooks.get ?
				hooks.get(this) :
				Tween.propHooks._default.get(this);
		},
		run: function(percent) {
			var eased,
				hooks = Tween.propHooks[this.prop];

			if(this.options.duration) {
				this.pos = eased = jQuery.easing[this.easing](
					percent, this.options.duration * percent, 0, 1, this.options.duration
				);
			} else {
				this.pos = eased = percent;
			}
			this.now = (this.end - this.start) * eased + this.start;

			if(this.options.step) {
				this.options.step.call(this.elem, this.now, this);
			}

			if(hooks && hooks.set) {
				hooks.set(this);
			} else {
				Tween.propHooks._default.set(this);
			}
			return this;
		}
	};

	Tween.prototype.init.prototype = Tween.prototype;

	Tween.propHooks = {
		_default: {
			get: function(tween) {
				var result;

				if(tween.elem[tween.prop] != null &&
					(!tween.elem.style || tween.elem.style[tween.prop] == null)) {
					return tween.elem[tween.prop];
				}

				// passing an empty string as a 3rd parameter to .css will automatically
				// attempt a parseFloat and fallback to a string if the parse fails
				// so, simple values such as "10px" are parsed to Float.
				// complex values such as "rotate(1rad)" are returned as is.
				result = jQuery.css(tween.elem, tween.prop, "");
				// Empty strings, null, undefined and "auto" are converted to 0.
				return !result || result === "auto" ? 0 : result;
			},
			set: function(tween) {
				// use step hook for back compat - use cssHook if its there - use .style if its
				// available and use plain properties where available
				if(jQuery.fx.step[tween.prop]) {
					jQuery.fx.step[tween.prop](tween);
				} else if(tween.elem.style && (tween.elem.style[jQuery.cssProps[tween.prop]] != null || jQuery.cssHooks[tween.prop])) {
					jQuery.style(tween.elem, tween.prop, tween.now + tween.unit);
				} else {
					tween.elem[tween.prop] = tween.now;
				}
			}
		}
	};

	// Support: IE9
	// Panic based approach to setting things on disconnected nodes

	Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
		set: function(tween) {
			if(tween.elem.nodeType && tween.elem.parentNode) {
				tween.elem[tween.prop] = tween.now;
			}
		}
	};

	jQuery.each(["toggle", "show", "hide"], function(i, name) {
		var cssFn = jQuery.fn[name];
		jQuery.fn[name] = function(speed, easing, callback) {
			return speed == null || typeof speed === "boolean" ?
				cssFn.apply(this, arguments) :
				this.animate(genFx(name, true), speed, easing, callback);
		};
	});

	jQuery.fn.extend({
		fadeTo: function(speed, to, easing, callback) {

			// show any hidden elements after setting opacity to 0
			return this.filter(isHidden).css("opacity", 0).show()

			// animate to the value specified
			.end().animate({
				opacity: to
			}, speed, easing, callback);
		},
		animate: function(prop, speed, easing, callback) {
			var empty = jQuery.isEmptyObject(prop),
				optall = jQuery.speed(speed, easing, callback),
				doAnimation = function() {
					// Operate on a copy of prop so per-property easing won't be lost
					var anim = Animation(this, jQuery.extend({}, prop), optall);

					// Empty animations, or finishing resolves immediately
					if(empty || data_priv.get(this, "finish")) {
						anim.stop(true);
					}
				};
			doAnimation.finish = doAnimation;

			return empty || optall.queue === false ?
				this.each(doAnimation) :
				this.queue(optall.queue, doAnimation);
		},
		stop: function(type, clearQueue, gotoEnd) {
			var stopQueue = function(hooks) {
				var stop = hooks.stop;
				delete hooks.stop;
				stop(gotoEnd);
			};

			if(typeof type !== "string") {
				gotoEnd = clearQueue;
				clearQueue = type;
				type = undefined;
			}
			if(clearQueue && type !== false) {
				this.queue(type || "fx", []);
			}

			return this.each(function() {
				var dequeue = true,
					index = type != null && type + "queueHooks",
					timers = jQuery.timers,
					data = data_priv.get(this);

				if(index) {
					if(data[index] && data[index].stop) {
						stopQueue(data[index]);
					}
				} else {
					for(index in data) {
						if(data[index] && data[index].stop && rrun.test(index)) {
							stopQueue(data[index]);
						}
					}
				}

				for(index = timers.length; index--;) {
					if(timers[index].elem === this && (type == null || timers[index].queue === type)) {
						timers[index].anim.stop(gotoEnd);
						dequeue = false;
						timers.splice(index, 1);
					}
				}

				// start the next in the queue if the last step wasn't forced
				// timers currently will call their complete callbacks, which will dequeue
				// but only if they were gotoEnd
				if(dequeue || !gotoEnd) {
					jQuery.dequeue(this, type);
				}
			});
		},
		finish: function(type) {
			if(type !== false) {
				type = type || "fx";
			}
			return this.each(function() {
				var index,
					data = data_priv.get(this),
					queue = data[type + "queue"],
					hooks = data[type + "queueHooks"],
					timers = jQuery.timers,
					length = queue ? queue.length : 0;

				// enable finishing flag on private data
				data.finish = true;

				// empty the queue first
				jQuery.queue(this, type, []);

				if(hooks && hooks.stop) {
					hooks.stop.call(this, true);
				}

				// look for any active animations, and finish them
				for(index = timers.length; index--;) {
					if(timers[index].elem === this && timers[index].queue === type) {
						timers[index].anim.stop(true);
						timers.splice(index, 1);
					}
				}

				// look for any animations in the old queue and finish them
				for(index = 0; index < length; index++) {
					if(queue[index] && queue[index].finish) {
						queue[index].finish.call(this);
					}
				}

				// turn off finishing flag
				delete data.finish;
			});
		}
	});

	// Generate parameters to create a standard animation
	function genFx(type, includeWidth) {
		var which,
			attrs = {
				height: type
			},
			i = 0;

		// if we include width, step value is 1 to do all cssExpand values,
		// if we don't include width, step value is 2 to skip over Left and Right
		includeWidth = includeWidth ? 1 : 0;
		for(; i < 4; i += 2 - includeWidth) {
			which = cssExpand[i];
			attrs["margin" + which] = attrs["padding" + which] = type;
		}

		if(includeWidth) {
			attrs.opacity = attrs.width = type;
		}

		return attrs;
	}

	// Generate shortcuts for custom animations
	jQuery.each({
		slideDown: genFx("show"),
		slideUp: genFx("hide"),
		slideToggle: genFx("toggle"),
		fadeIn: {
			opacity: "show"
		},
		fadeOut: {
			opacity: "hide"
		},
		fadeToggle: {
			opacity: "toggle"
		}
	}, function(name, props) {
		jQuery.fn[name] = function(speed, easing, callback) {
			return this.animate(props, speed, easing, callback);
		};
	});

	jQuery.speed = function(speed, easing, fn) {
		var opt = speed && typeof speed === "object" ? jQuery.extend({}, speed) : {
			complete: fn || !fn && easing ||
				jQuery.isFunction(speed) && speed,
			duration: speed,
			easing: fn && easing || easing && !jQuery.isFunction(easing) && easing
		};

		opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
			opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[opt.duration] : jQuery.fx.speeds._default;

		// normalize opt.queue - true/undefined/null -> "fx"
		if(opt.queue == null || opt.queue === true) {
			opt.queue = "fx";
		}

		// Queueing
		opt.old = opt.complete;

		opt.complete = function() {
			if(jQuery.isFunction(opt.old)) {
				opt.old.call(this);
			}

			if(opt.queue) {
				jQuery.dequeue(this, opt.queue);
			}
		};

		return opt;
	};

	jQuery.easing = {
		linear: function(p) {
			return p;
		},
		swing: function(p) {
			return 0.5 - Math.cos(p * Math.PI) / 2;
		}
	};

	jQuery.timers = [];
	jQuery.fx = Tween.prototype.init;
	jQuery.fx.tick = function() {
		var timer,
			timers = jQuery.timers,
			i = 0;

		fxNow = jQuery.now();

		for(; i < timers.length; i++) {
			timer = timers[i];
			// Checks the timer has not already been removed
			if(!timer() && timers[i] === timer) {
				timers.splice(i--, 1);
			}
		}

		if(!timers.length) {
			jQuery.fx.stop();
		}
		fxNow = undefined;
	};

	jQuery.fx.timer = function(timer) {
		if(timer() && jQuery.timers.push(timer)) {
			jQuery.fx.start();
		}
	};

	jQuery.fx.interval = 13;

	jQuery.fx.start = function() {
		if(!timerId) {
			timerId = setInterval(jQuery.fx.tick, jQuery.fx.interval);
		}
	};

	jQuery.fx.stop = function() {
		clearInterval(timerId);
		timerId = null;
	};

	jQuery.fx.speeds = {
		slow: 600,
		fast: 200,
		// Default speed
		_default: 400
	};

	// Back Compat <1.8 extension point
	jQuery.fx.step = {};

	if(jQuery.expr && jQuery.expr.filters) {
		jQuery.expr.filters.animated = function(elem) {
			return jQuery.grep(jQuery.timers, function(fn) {
				return elem === fn.elem;
			}).length;
		};
	}
	jQuery.fn.offset = function(options) {
		if(arguments.length) {
			return options === undefined ?
				this :
				this.each(function(i) {
					jQuery.offset.setOffset(this, options, i);
				});
		}

		var docElem, win,
			elem = this[0],
			box = {
				top: 0,
				left: 0
			},
			doc = elem && elem.ownerDocument;

		if(!doc) {
			return;
		}

		docElem = doc.documentElement;

		// Make sure it's not a disconnected DOM node
		if(!jQuery.contains(docElem, elem)) {
			return box;
		}

		// If we don't have gBCR, just use 0,0 rather than error
		// BlackBerry 5, iOS 3 (original iPhone)
		if(typeof elem.getBoundingClientRect !== core_strundefined) {
			box = elem.getBoundingClientRect();
		}
		win = getWindow(doc);
		return {
			top: box.top + win.pageYOffset - docElem.clientTop,
			left: box.left + win.pageXOffset - docElem.clientLeft
		};
	};

	jQuery.offset = {

		setOffset: function(elem, options, i) {
			var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
				position = jQuery.css(elem, "position"),
				curElem = jQuery(elem),
				props = {};

			// Set position first, in-case top/left are set even on static elem
			if(position === "static") {
				elem.style.position = "relative";
			}

			curOffset = curElem.offset();
			curCSSTop = jQuery.css(elem, "top");
			curCSSLeft = jQuery.css(elem, "left");
			calculatePosition = (position === "absolute" || position === "fixed") && (curCSSTop + curCSSLeft).indexOf("auto") > -1;

			// Need to be able to calculate position if either top or left is auto and position is either absolute or fixed
			if(calculatePosition) {
				curPosition = curElem.position();
				curTop = curPosition.top;
				curLeft = curPosition.left;

			} else {
				curTop = parseFloat(curCSSTop) || 0;
				curLeft = parseFloat(curCSSLeft) || 0;
			}

			if(jQuery.isFunction(options)) {
				options = options.call(elem, i, curOffset);
			}

			if(options.top != null) {
				props.top = (options.top - curOffset.top) + curTop;
			}
			if(options.left != null) {
				props.left = (options.left - curOffset.left) + curLeft;
			}

			if("using" in options) {
				options.using.call(elem, props);

			} else {
				curElem.css(props);
			}
		}
	};

	jQuery.fn.extend({

		position: function() {
			if(!this[0]) {
				return;
			}

			var offsetParent, offset,
				elem = this[0],
				parentOffset = {
					top: 0,
					left: 0
				};

			// Fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
			if(jQuery.css(elem, "position") === "fixed") {
				// We assume that getBoundingClientRect is available when computed position is fixed
				offset = elem.getBoundingClientRect();

			} else {
				// Get *real* offsetParent
				offsetParent = this.offsetParent();

				// Get correct offsets
				offset = this.offset();
				if(!jQuery.nodeName(offsetParent[0], "html")) {
					parentOffset = offsetParent.offset();
				}

				// Add offsetParent borders
				parentOffset.top += jQuery.css(offsetParent[0], "borderTopWidth", true);
				parentOffset.left += jQuery.css(offsetParent[0], "borderLeftWidth", true);
			}

			// Subtract parent offsets and element margins
			return {
				top: offset.top - parentOffset.top - jQuery.css(elem, "marginTop", true),
				left: offset.left - parentOffset.left - jQuery.css(elem, "marginLeft", true)
			};
		},

		offsetParent: function() {
			return this.map(function() {
				var offsetParent = this.offsetParent || docElem;

				while(offsetParent && (!jQuery.nodeName(offsetParent, "html") && jQuery.css(offsetParent, "position") === "static")) {
					offsetParent = offsetParent.offsetParent;
				}

				return offsetParent || docElem;
			});
		}
	});

	// Create scrollLeft and scrollTop methods
	jQuery.each({
		scrollLeft: "pageXOffset",
		scrollTop: "pageYOffset"
	}, function(method, prop) {
		var top = "pageYOffset" === prop;

		jQuery.fn[method] = function(val) {
			return jQuery.access(this, function(elem, method, val) {
				var win = getWindow(elem);

				if(val === undefined) {
					return win ? win[prop] : elem[method];
				}

				if(win) {
					win.scrollTo(!top ? val : window.pageXOffset,
						top ? val : window.pageYOffset
					);

				} else {
					elem[method] = val;
				}
			}, method, val, arguments.length, null);
		};
	});

	function getWindow(elem) {
		return jQuery.isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView;
	}
	// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
	jQuery.each({
		Height: "height",
		Width: "width"
	}, function(name, type) {
		jQuery.each({
			padding: "inner" + name,
			content: type,
			"": "outer" + name
		}, function(defaultExtra, funcName) {
			// margin is only for outerHeight, outerWidth
			jQuery.fn[funcName] = function(margin, value) {
				var chainable = arguments.length && (defaultExtra || typeof margin !== "boolean"),
					extra = defaultExtra || (margin === true || value === true ? "margin" : "border");

				return jQuery.access(this, function(elem, type, value) {
					var doc;

					if(jQuery.isWindow(elem)) {
						// As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
						// isn't a whole lot we can do. See pull request at this URL for discussion:
						// https://github.com/jquery/jquery/pull/764
						return elem.document.documentElement["client" + name];
					}

					// Get document width or height
					if(elem.nodeType === 9) {
						doc = elem.documentElement;

						// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
						// whichever is greatest
						return Math.max(
							elem.body["scroll" + name], doc["scroll" + name],
							elem.body["offset" + name], doc["offset" + name],
							doc["client" + name]
						);
					}

					return value === undefined ?
						// Get width or height on the element, requesting but not forcing parseFloat
						jQuery.css(elem, type, extra) :

						// Set width or height on the element
						jQuery.style(elem, type, value, extra);
				}, type, chainable ? margin : undefined, chainable, null);
			};
		});
	});
	// Limit scope pollution from any deprecated API
	// (function() {

	// The number of elements contained in the matched element set
	jQuery.fn.size = function() {
		return this.length;
	};

	jQuery.fn.andSelf = jQuery.fn.addBack;

	// })();
	if(typeof module === "object" && module && typeof module.exports === "object") {
		// Expose jQuery as module.exports in loaders that implement the Node
		// module pattern (including browserify). Do not create the global, since
		// the user will be storing it themselves locally, and globals are frowned
		// upon in the Node module world.
		module.exports = jQuery;
	} else {
		// Register as a named AMD module, since jQuery can be concatenated with other
		// files that may use define, but not via a proper concatenation script that
		// understands anonymous AMD modules. A named AMD is safest and most robust
		// way to register. Lowercase jquery is used because AMD module names are
		// derived from file names, and jQuery is normally delivered in a lowercase
		// file name. Do this after creating the global so that if an AMD module wants
		// to call noConflict to hide this version of jQuery, it will work.
		if(typeof define === "function" && define.amd) {
			define("jquery", [], function() {
				return jQuery;
			});
		}
	}

	// If there is a window object, that at least has a document property,
	// define jQuery and $ identifiers
	if(typeof window === "object" && typeof window.document === "object") {
		window.jQuery = window.$ = jQuery;
	}

})(window);